Question

4.05 * 0.8=?

Answer 1

Just a simple multiplication problem, should be 3.24 once calculated

Answer 2

((4.05)/10)*8=your answer

Answer 3

4.05 * 0.8 = 4.05 * 8 / 10
= ( 4 * 8 + 0.05 * 8 ) / 10
= ( 4 * 8 + 5 * 8 /100 ) / 10
= ( 32 + 40 /100 ) / 10
= (32 + 4/10 ) / 10
= (32 + 0.4) / 10
= 32.4 /10
=

Answer 4

if your timing a number less than 1, like 0.8, you're trying to find 80%, which is, 4.05 / 10 = 0.405, and multiply 0.8 * 10 to get 8, then multiply them together for, 0.405 * 8 which is your answer when solved.

Answer 5

it is a shorter way of @UnkleRhaukus answer above. he is also right.

Answer 6

@Bri_the_teen