Question

A teacher gives a class an question 0.3^2 pierre says its 0.9 explain why pierre is wrong without working out the exact number

Answer 1

the correct answer is
`\tt \red{0,09}`

Explanation:

`\tt {0,3}^(2)`

`\tt = 0,3 * 0,3`

`= \tt (3)/(10) * (3)/(10)`

`= \tt (3 * 3)/(10 * 10)`

`= \tt (9)/(100)`

`= \tt \red{ 0,09 }`