Question

Pls help 25 points

find the value
and pls explain h

Answer 1

0.21

Explanation:

3•7/2^2•5^2 =0.21

Answer 2

10

Explanation:

11/10.12/11.13/12........99/98.100/99

= 11.12.13....99.100/10.11.12.....98.99

=100/10=10