Question

Notação Científica

a) 8,2x10^2x4x10^-2

b) 3,45x10^8x6,74x10^-2

Answer 1

Notação Científica

a) 8,2x10^2x4x10^-2

8,2.10² x4.10-²
(8,2x4)(10².10-²)
32,8.10²⁻²
32,8.10⁰
3,28.10¹.10⁰
3,28.10¹⁺⁰
3,28.10¹
3,28.10  ( resposta)


b) 3,45x10^8x6,74x10^-2

3,45.10⁸ x 6,74.10-²
(3,45 x 6,74).10⁸.10-²
23,253.10⁸.10⁻²
23,253,10⁸⁻²
23,253.10⁶
2,3253.10¹.10⁶
2,3253.10¹⁺⁶
2,3253.10⁷( resposta)