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