Question

6) Transforme cada expressão para notação
científica:
a) 457 x 10^-23 =
b) 0,0025x10^-18
c) 45,23x10^-18
d) 0,0102 x 10^-45​

Answer 1

a) 4,57 x 10^-21
b) 2,5 x 10^-21
c) 4,523 x 10^-17
d) 1.02 x 10^-47

Answer 2

a)

$457\times{10}^{-23}=4,57\times{10}^{-21}$

b)

$0,0025\times{10}^{-18}=2,5\times{10}^{-21}$

c)

$\color{blue}{45,23\times{10}^{-18}=4,523\times{10}^{-17}}\color{green}{\checkmark}$