A decimal value of 0.45 is equal to what percentage?
Correct answer: B. 45%
- A. 4.5%
- B. 45%
- C. 0.45%
- D. 450%
Explanation
To convert a decimal to a percentage, multiply it by 100. Thus, 0.45 becomes 45%, not 0.45% or 450%.
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About Basic Mathematics: Fractions, Percentages, Ratios and Indices
Work with fractions includes simplification, conversion, operations and comparison, while percentages cover increases, decreases, profit, loss and reverse percentage calculations. Ratios and proportions describe relationships between quantities, and indices cover laws of exponents, zero and negative powers, fractional indices, and scientific notation.
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