Multiplying and dividing by powers of ten

Rounding to decimal places and significant figures

Questions and Answers

- 1.
### 15.48 x 100 = ________20.58 x 1000 = ________3100 x 85.957 = ________4100 x 0.53 = ________510 x 8.08 = ________60.63 x 10 = ________79.28 x 100 = ________810 x 0.68 = ________936.65 x 10 = ________1010 x 0.62 = ________

- 2.
### 1)4.614 ÷ 10 =________2)474.8 ÷ 100 =________3)4574.86 ÷ 1000 =________4)970.408 ÷ 10 =________5)85.1 ÷ 100 =________6)1 ÷ 100 =________7)880.072 ÷ 1000 =________8)1546.02 ÷ 100 =________9)75.419 ÷ 1000 =________10)1051.7 ÷ 10 =________

Explanation

The given answers are the results of dividing the given numbers by the specified divisor. For example, dividing 4.614 by 10 gives the answer 0.4614. Similarly, dividing 474.8 by 100 gives the answer 4.748. This pattern continues for the remaining questions, where each number is divided by the specified divisor to obtain the corresponding answer.Rate this question:

- 3.
### 1) Round 8.1477 to 3 decimal places ________2) Round 3.9871 to 2 decimal places ________3) Round 4.0958 to 2 decimal places ________4) Round 9.4285 to 1 decimal place ________5) Round 0.9843 to 3 decimal places ________6) Round 76.7171 to 2 decimal places ________7) Round 70.9012 to 2 decimal places ________8) Round 7.0382 to 3 decimal places ________9) Round 0.6453 to 1 decimal place ________10) Round 2.4346 to 1 decimal place ________

Explanation

The given answer provides the rounded values for each of the given numbers. The numbers are rounded as follows: 8.1477 is rounded to 8.148, 3.9871 is rounded to 3.99, 4.0958 is rounded to 4.10 or 4.1, 9.4285 is rounded to 9.4, 0.9843 is rounded to 0.984, 76.7171 is rounded to 76.72, 70.9012 is rounded to 70.90, 7.0382 is rounded to 7.038, 0.6453 is rounded to 0.6, and 2.4346 is rounded to 2.4.Rate this question:

- 4.
### 1) Round 4.8571 to 2 s.f. ________ 2) Round 0.003818 to 3 s.f. ________ 3) Round 4.874 to 3 s.f. ________4) Round 1.4244 to 2 s.f. ________5) Round 0.001283 to 3 s.f. ________6) Round 81 to 1 s.f. ________7) Round 776 to 2 s.f. ________8) Round 39 812 to 3 s.f. ________9) Round 1.5469 to 3 s.f. ________10) Round 646 to 2 s.f. ________

Explanation

The given answer provides the rounded values for each number to the specified significant figures. For example, 4.8571 rounded to 2 significant figures is 4.9. Similarly, 0.003818 rounded to 3 significant figures is 0.00382. The answer continues to provide the rounded values for the remaining numbers in the same manner.Rate this question:

- 5.
### 1) 1.93 x 3 = ________2) 2.7 x 7.5 = ________3) 2 x 3.16 = ________4) 0.5 x 9.75 = ________5) 3.3 x 1.9 = ________6) 0.6 x 2.3 = ________7) 3.49 x 2.7 = ________8) 0.9 x 6.5 = ________9) 3.8 x 6 = ________10) 9 x 1.17 = ________

Explanation

The given answers correspond to the correct products of the multiplication problems. Each answer is obtained by multiplying the two given numbers in each problem. For example, in the first problem, 1.93 multiplied by 3 equals 5.79. Similarly, the other answers are obtained by multiplying the given numbers in each problem.Rate this question:

- 6.
### 1) 35.44 ÷ 0.5 = ________2) 6.67 ÷ 0.2 = ________3) 14.73 ÷ 0.5 = ________4) 49.5 ÷ 9 = ________5) 6.87 ÷ 0.1 = ________6) 34.35 ÷ 0.5 = ________7) 19.29 ÷ 0.5 = ________8) 26.79 ÷ 3 = ________9) 11.05 ÷ 5 = ________10) 11.63 ÷ 0.2 = ________

- 7.
### 1) 7 + 2.96 = ________2) 28.67 + 2.3 = ________ 3) 6.69 + 25.56 = ________4) 7.04 + 63.1 = ________5) 14 + 2.28 = ________6) 3.89 + 58.29 = ________7) 16 + 9.21 = ________8) 5.7 + 3.35 = ________9) 19 + 9.28 = ________10) 4.11 + 33.01 = ________

Explanation

The given answers are the results of adding the respective numbers in each question. For example, in question 1, 7 + 2.96 equals 9.96. Similarly, in question 2, 28.67 + 2.3 equals 30.97. This pattern continues for all the questions, resulting in the given answers.Rate this question:

- 8.
### 1) 60.26 - 59.06 = ________2) 71.71 - 48.56 = ________3) 56.96 - 18.65 = ________4) 83.76 - 70.66 = ________5) 74 - 5.21 = ________6) 82 - 1.82 = ________7) 93 - 5.76 = ________8) 23 - 2.79 = ________9) 55.63 - 51.11 = ________10) 93.99 - 59.88 = ________

Explanation

The given correct answer provides the solutions to the subtraction problems. Each answer is the difference between the two numbers given in the corresponding question. For example, in the first question, 60.26 - 59.06 equals 1.2. Similarly, the rest of the answers represent the differences between the given numbers in each question.Rate this question:

- Cartography Quizzes
- Civics Quizzes
- Economics Quizzes
- El112 Quizzes
- English Quizzes
- Geography Quizzes
- History Quizzes
- Humanities Quizzes
- Law Quizzes
- Linguistics Quizzes
- Logic Quizzes
- Philosophy Quizzes
- Political Science Quizzes
- Politics Quizzes
- Science Quizzes
- Social Science Quizzes
- Sociology Quizzes

×

Wait!

Here's an interesting quiz for you.