Question

Notación científica de 1=
6400000000000000
2=
9420000000000000
3=
6784210000000000000

Answer 1

6.4x10^15
9.42x10^15
6.78421x10^18

Answer 2

$1= 6400000000000000 = \\ = 64 \times {10}^{14}$
$2=9420000000000000 = \\ = 942 \times {10}^{13}$
$3=6784210000000000000 = \\ = 678421 \times {10}^{13}$
saludos