1.### How many inches are in 45.6 cm? (There are 2.54cm in 1 inch)

Answer:
17.952 inches

Explanation:

To convert centimeters to inches, you can use the conversion factor: 1 inch = 2.54 centimeters.

So, to find out how many inches are in 45.6 cm:

45.6 cm / 2.54 cm/inch ≈ 17.952 inches

So, the answer is approximately 17.952 inches.

So, to find out how many inches are in 45.6 cm:

45.6 cm / 2.54 cm/inch ≈ 17.952 inches

So, the answer is approximately 17.952 inches.

2.### How many centimeters are in 1.23 x 10^-6 kilometers?

Answer:
0.123 cm

Explanation:

To convert kilometers to centimeters, you need to use the conversion factors: 1 kilometer = 1,000 meters and 1 meter = 100 centimeters.

So, to find out how many centimeters are in 1.23 x 10^-6 kilometers: 1.23 x 10^-6 km x 1,000 meters/km x 100 centimeters/meter = 1.23 x 10^-6 x 100,000 = 0.123 centimeters.

So, the answer is 0.123 centimeters.

So, to find out how many centimeters are in 1.23 x 10^-6 kilometers: 1.23 x 10^-6 km x 1,000 meters/km x 100 centimeters/meter = 1.23 x 10^-6 x 100,000 = 0.123 centimeters.

So, the answer is 0.123 centimeters.

3.### Approximately how many hours are there in 34.5 years?

Answer:
302,220 hrs

Explanation:

To calculate the number of hours in 34.5 years, you can use the following calculation:

Number of hours in a year × Number of years

There are typically 365 days in a year, and each day has 24 hours. So, in a non-leap year:

365 days/year × 24 hours/day = 8,760 hours/year

Now, you can multiply this by the number of years:

8,760 hours/year × 34.5 years = 302,220 hours

So, there are approximately 302,220 hours in 34.5 years.

Number of hours in a year × Number of years

There are typically 365 days in a year, and each day has 24 hours. So, in a non-leap year:

365 days/year × 24 hours/day = 8,760 hours/year

Now, you can multiply this by the number of years:

8,760 hours/year × 34.5 years = 302,220 hours

So, there are approximately 302,220 hours in 34.5 years.

4.### How many inches are there in 355 millimeters? (25.4 mm in an inch)

Answer:
14.0 inches (13.97 inches)

Explanation:

To convert millimeters to inches, you use the conversion factor: 1 inch = 25.4 millimeters.So, to find out how many inches are in 355 millimeters:355 mm / 25.4 mm/inch ≈ 13.9764 inchesRounding to the nearest tenth, the answer is approximately 14.0 inches. This means that 355 millimeters is roughly equivalent to 14 inches when rounded. Understanding this conversion helps in various practical applications, such as measuring lengths in different units.

5.### Convert 14 mm to its equivalent measurement in m.

Answer:
0.014m

Explanation:

To convert millimeters to meters, you use the conversion factor: 1 meter = 1,000 millimeters.So, to find out how many meters are in 14 millimeters:14 mm / 1,000 mm/meter = 0.014 metersThis means that 14 millimeters is equal to 0.014 meters. Understanding this conversion is important for accurately measuring small lengths and distances, ensuring precise measurements in various scientific and practical contexts.

6.### Which of the following is a TRUE metric conversion factor?

Answer:
1000mm = 1m

Explanation:

The metric conversion factor 1000 millimeters (mm) equals 1 meter (m) is true. This means there are 1,000 millimeters in a single meter. The other options are incorrect: 1 millimeter is not equal to 1,000 meters; 100 meters is not equal to 1 centimeter; and 1 meter is not equal to 1,000 kilometers. Understanding these basic metric conversions is important for accurate measurements and calculations in science, engineering, and everyday life, ensuring proper unit conversions and consistency in measurements.

7.### Which of the following is a FALSE metric conversion factor?

Answer:
1000g = 1g

Explanation:

The false metric conversion factor is "1000g = 1g." This is incorrect because 1,000 grams (g) is actually equal to 1 kilogram (kg). The other conversion factors are true: 100 centimeters (cm) equals 1 meter (m), 1,000 grams equals 1 kilogram, and 1 gram equals 1,000 milligrams (mg). Understanding these conversion factors is crucial for accurate measurement and calculation in scientific and everyday contexts. Incorrect conversions can lead to significant errors in data and experiments, so it's important to know and use the correct metric conversions.

8.### Convert 57mL to its equivalent measurement in L.

Answer:
0.057 L

Explanation:

To convert milliliters (mL) to liters (L), you use the conversion factor: 1 liter = 1,000 milliliters.So, to find out how many liters are in 57 milliliters:57 mL / 1,000 mL/L = 0.057 litersThis means that 57 milliliters is equal to 0.057 liters. Understanding this conversion is important for accurately measuring volumes, whether in scientific experiments, cooking, or other practical applications. Knowing how to convert between different units of measurement ensures precision and consistency in various tasks and calculations.

9.### 10 meters = ______ inches.

Answer:
393

Explanation:

To convert meters to inches, you use the conversion factor: 1 meter = 39.37 inches.So, to find out how many inches are in 10 meters:10 meters x 39.37 inches/meter = 393.7 inchesRounding to the nearest whole number, the answer is 393 inches. This means that 10 meters is equivalent to 393 inches. Understanding this conversion is useful for various measurements in everyday life and scientific contexts, ensuring accurate conversions between metric and imperial units.

10.### 2.1 meter is equal to

Answer:
7 feet

Explanation:

To convert meters to feet, you use the conversion factor: 1 meter = 3.281 feet.So, to find out how many feet are in 2.1 meters:2.1 meters x 3.281 feet/meter ≈ 6.889 feetRounding to the nearest whole number, the answer is approximately 7 feet. This means that 2.1 meters is roughly equal to 7 feet. Understanding this conversion helps in various practical situations, such as measuring height or distance in different units.

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