How do you simplify 1,440?

2 Answers
Mar 9, 2018

1210

Explanation:

note that 1440=144×10 and 144 is a perfect square

using the law of radicals

xab=a×b

1440=144×10

×××x=144×10=1210

Mar 9, 2018

1210

Explanation:

When you are simplifying radicals, you need to find two numbers. Between those two numbers, one HAS to be a perfect square, or it does not simplify.

Here, we are given:

1440

We can see here that there is an easy and more noticeable factorization:

14410

Thankfully, 144 is perfect square, so 144 can be reduced to 12. Since 10 does not divide evenly into any prefect squares, 10 will no simplify.

Therefore, are answer will be:

1210