Question

(2.5*10^3)*3.4*10^2 (in scientific notation)​

Answer 1

`\\ \rm\longmapsto 2.5* 10^3* 3.4* 10^2`

`\boxed{\sf a^m* a^n=a^(m+n)}`

`\\ \rm\longmapsto 2.5* 3.4* 10^3* 10^2`

`\\ \rm\longmapsto 8.5* 10^(3+2)`

`\\ \rm\longmapsto 8.5* 10^5`

Answer 2

• 8.5×10⁵

Explanation:

• 2.5×10³ × 3.4×10² =
• (2.5×3.4) × 10³⁺² =
• 8.5×10⁵