Question

Use order of operations and the mathematical properties of numbers to simplify

these numbers.

6x7-7x3 =

Answer 1

21

Explanation:

`6*7-7*3`

Utilizing PEMDAS, we know that all multiplication comes before subtraction.

P - Parenthesis

E - Exponents

M - Multiplication

D - Division

A - Addition

S - Subtraction

Knowing this, multiply the four terms:

`42-21`

Now subtract:

`21`