How do you simplify 482?

2 Answers
Sep 7, 2017

1) 44×22

2) (442) ⋅ 2

3) 4×222

4) 82

5) 16

Explanation:

1) Find factors of 8 under the radical.
2) Simplify 4 to 2 and multiply by the 4 outside
3) Multiply 822 (22 equals 2)
4) 82
5) 16

Sep 7, 2017

=16

Explanation:

The two square roots can be combined into one. In this case this is a good idea because the product will be a prefect square.

48×2=48×2

=416

=4×4

=16