# Working with powers of 10

2 videos
2 skills
This tutorial leads in to scientific notation. It features multiplication and division problems involving powers of 10.

### Multiplying multiples of powers of 10

VIDEO 2:41 minutes
Learn how to multiply (9 * 10^9) (-2 * 10^-3).

### Multiplication and division with powers of ten

PRACTICE PROBLEMS
Practice solving multiplication and division problems that involve powers of ten.

### Approximating with powers of 10

VIDEO 4:10 minutes
Learn how to approximate how much larger the world population was than the US population in 2014.

### Approximating with powers of 10

PRACTICE PROBLEMS
Practice comparing two real-world quantities by approximating them with powers of 10.