Questions: (a) Write 28.5% as a decimal. (b) Write 0.4 as a percentage.

(a) Write 28.5% as a decimal. (b) Write 0.4 as a percentage.
Transcript text: (a) Write $28.5 \%$ as a decimal. (b) Write 0.4 as a percentage.
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Solution

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Solution Steps

Step 1: Convert 28.5% to a decimal

To convert a percentage to a decimal, divide by 100.
\[ 28.5\% = \frac{28.5}{100} = 0.285 \]

Step 2: Convert 0.4 to a percentage

To convert a decimal to a percentage, multiply by 100.
\[ 0.4 = 0.4 \times 100 = 40\% \]

Final Answer

(a) \(28.5\% = \boxed{0.285}\)
(b) \(0.4 = \boxed{40\%}\)

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