Answer:
A.1.
1. 38%
2. 40%
3. 145%
A.2.
4.
5.
A.3.
6. 0.045
7. 0.0042
8. 0.38
A.4.
9. 2/25
10. 1 2/5
Step-by-step explanation:
A.1. To change decimal to percent, multiply the number by 100, or you can move two decimal places going to the right. Then, add the percent sign (%).
1. 0.38 x 100 = 38%
2. 0.4 x 100 = 40%
3. 1.45 x 100 = 145%
A2. To change fraction to percent, you need to divide the numerator by its denominator. Then, multiply the answer by 100.
A3. To percent to decimal, divide the number by 100, or you can move two decimal places going to the left.
6. 4.5% / 100 = 0.045
7. 0.42% / 100 = 0.0042
8. 38% / 100 = 0.38
A4. To convert percent to fraction, remove the percent sign. Then, divide the given number by 100. Reduce your answer to lowest term.
9. 8 / 100 => lowest term is 2/25
10. 140 / 100 => 14/10 => 7/5 => lowest term is 1 2/5
