Converting decimals to percentages

To convert decimals to percentages multiply by 100\%.

Question

Write 0.35 as a percentage.

0.35 \times 100\%  = 35\%

0.35 means \frac{35}{100}, so 0.35 = 35\%

Similarly, 0.2 becomes 0.2 \times 100\% = 20\%, and 0.375 becomes 0.375 \times 100\% = 37.5\%.

Question

Write the following decimals as percentages:

a) 0.34

b) 0.005

a) 34\%

b) 0.5\%

If you didn't get the right answers, remember that multiplying by 100 moves every digit two places to the left.