1.
Write 0.2 as a percent.
Explanation
The given answer, "20%, 20%", is the correct representation of 0.2 as a percent. To convert a decimal to a percent, we move the decimal point two places to the right and add the percent symbol. In this case, moving the decimal point two places to the right gives us 20, and adding the percent symbol gives us 20%. The additional "20 %" is redundant and not necessary, but it still represents the correct conversion.
2.
Write 4/5 as a percent.
Explanation
To express a fraction as a percent, you divide the numerator (4) by the denominator (5) and then multiply the result by 100. In this case, 4 divided by 5 is 0.8, and when multiplied by 100, it becomes 80%. Therefore, the fraction 4/5 can be written as 80%.
3.
Write .43 as a percent.
Explanation
To write a decimal as a percent, we move the decimal point two places to the right. Therefore, .43 can be written as 43%.
4.
Write 3/25 as a percent.
Explanation
To convert a fraction to a percent, you divide the numerator by the denominator and then multiply by 100. In this case, dividing 3 by 25 gives us 0.12, and multiplying by 100 gives us 12%. Therefore, the correct answer is 12%.
5.
Write 17% as a decimal.
Explanation
To write a percentage as a decimal, we divide the percentage by 100. In this case, 17% divided by 100 equals 0.17. Therefore, the decimal form of 17% is 0.17.
6.
Write 6% as a decimal.
Explanation
The correct answer for this question is .06 or 0.06. To convert a percentage to a decimal, we divide the percentage by 100. In this case, 6% divided by 100 equals 0.06. Therefore, 6% as a decimal is .06.
7.
Write 1/5 as a decimal.
Explanation
The correct answer is .2, 0.2, .20, 0.20. These are all different ways to represent the decimal value of 1/5. In decimal form, 1/5 is equivalent to 0.2 or 0.20. The additional zeros after the decimal point do not change the value of the decimal.
8.
Write 19/100 as a decimal.
Explanation
The given answer, 0.19 or .19, represents the decimal form of the fraction 19/100. In decimal form, the numerator (19) is divided by the denominator (100) to give a value less than 1. Therefore, the correct answer is 0.19 or .19.
9.
Write 55% as a decimal in simplest form.
Explanation
To convert a percentage to a decimal, divide the percentage by 100. In this case, 55% divided by 100 equals 0.55. Therefore, the decimal form of 55% is 0.55.
10.
Write 28% as a decimal in simplest form.
Explanation
The correct answer is .28 or 0.28 because when converting a percentage to a decimal, you move the decimal point two places to the left. In this case, 28% becomes .28 or 0.28.