How do you evaluate .4 * .3?

2 Answers
Mar 4, 2017

3/25

Explanation:

Turn the two numbers into fractions and then multiply.

0.4=4/10=2/5

0.3=3/10

(2/5)*(3/10)=(2*3)/(10*5)=6/50=3/25

Mar 4, 2017

A different approach

0.12

Explanation:

0.4 is the same as 4xx1/10

0.3 is the same as 3xx1/10

Putting all of this together gives.

0.4xx0.3" "=" "4xx3xx1/10xx1/10

12xx1/100 = 0.12

As the question is in decimal format the solution should also be in decimal format