Question

Aplicando a definição de potência, calcule o valor de:

$a) {8}^{2}$

$b)( - 13 {)}^{2}$

$c)( - 7 {)}^{3}$

$d)( - 0.9 {)}^{1}$

$e) {5}^{3}$

$f) (- 3.2 {)}^{2}$

$g)1 {5}^{2}$

$h) (-\frac{2}{3} {)}^{5}$

$i)( - 3 {)}^{4}$

​

Answer 1

a)8²=64

b)(−13)²=169

c)(−7)³= -343

d)(−0,9)¹= -0,9

e)5³=125

f)(−3,2)²= 10,24

g)15²=225

h)(−2/3)⁵= -32/243

i)(−3)⁴= 81