10% of 42 equal to 4.2
Calculation steps:
( 10 ÷ 100 ) x 42 = 4.2
Formula
(10 ÷ 100) x 42 = 4.2
Percent to decimal
10% to decimal is 10 ÷ 100 = 0.1
Multiply decimal with the other number
0.1 x 42 = 4.2
Example