LEAP 2025 Math Grade 8 Chapter 2

### LEAP 2025 Math Grade 8 Chapter 2 Sample

1 pt
1.

$\left(1×{10}^{7}\right)×\left(5×{10}^{21}\right)=$

1 pt
2.

$\left(2.8×{10}^{8}\right)÷\left(7×{10}^{5}\right)=$

1 pt
7.

Miss Sheldon found a pint of ocean water contained beneficial bacteria numbering $1.7×{10}^{5}$. Express this as a standard number.

1 pt
10.

Airplanes can go $4.9×{10}^{2}$ miles per hour. If a flight between two secret locations is $1.2×{10}^{4}$ miles, about how many hours will it take the airplane to get to its destination?

1 pt
13.

$20÷5×{10}^{3}+4.1$