How do you simplify 0.25?

2 Answers
May 15, 2016

0.25=±0.5

Explanation:

consider 5×5=25

Note that 0.55105×110

(5×110)×(5×110)=25×1100=0.25

so 0.25=(5×110)×(5×110)=5×110=0.5

so 0.25=±0.5

Oct 18, 2017

A better way of solving this

Explanation:

Note that 0.25 is the same as 25×1100

Thus 0.25dd=dd25×1100dd=dd25100

±510=±0.5