Section  1
Ques 1: Convert 45% to a decimal.
Ans: 0.45: 45% becomes 0.45
Ques 2: Convert 0.20 to a percent.
Ans: 20%: 0.20 becomes 20%
Ques 3: Convert 4 /5 to a percent.
Ans: 80%:
Step 1: 4 s 5 = 0.8
Step 2: 0.8 becomes 80%
Ques 4: Convert 13.25% to a decimal.
Ans: 0.1325: 13.25% becomes 0.1325
Ques 5: Convert 6 /2 0 to a percent.
Ans: 30%: Step 1: 6 s 20 = 0.30
Step 2: 0.30 becomes 30%
Ques 6: Convert 0.304 to a percent.
Ans: 30.4%: 0.304 becomes 30.4%
Ques 7: Convert 0.02% to a decimal.
Ans: 0.0002: 0.02% becomes 0.0002
Section  2
Simplify the following expressions. Answers in the explanation may appear in more than one form (e.g.,fraction and decimal).
Ques 8:
Ans:
Convert percent to fraction because fractions are
easier to multiply than percents.
Simplify before you multiply.
1/4
Ques 9: .2 5 % 0 .1
Ans: Convert decimal to percent because decimals that end inthe tenths or hundredths digit are easy to convert to percents.
Ques 10:
Ans:
Multiply by 10/10 to convert decimals to integers.
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