Question

evaluate 0.9² please help

Answer 1

Answer:

0.81

Explanation:

0.9 squared can be expressed as;

$0.9^2=(\frac{9}{10})^2=\frac{9^2}{10^2}$

Let's go ahead and evaluate;

$\frac{9^2}{10^2}=\frac{81}{100}=0.81$