Write 40% as a decimal.

0.4
1.4
4

40% = 40/100

To change a percent to a decimal you can either:

divide by 100

or

move the decimal point two places to the left.

40% = 0.4

To write a percentage as a decimal, you divide the percentage value by 100.

So, to write 40% as a decimal:

40 ÷ 100 = 0.4

Therefore, 40% as a decimal is 0.4