Question

Which operation should be done first to find the value of the expression: 18 + 5 x 42 = 2

Answer 1

Multiply 5 x 42

Explanation:

Remember the acronym PEMDAS

Parentheses

Exponents

Multiple

Divide

Add

Subtract

Because there are no parentheses or exponents you should multiply first.

Answer 2

Multiplication

Explanation:

P = Parentheses

E = Exponents

M/D = Multiplication/Division

A/S = Addition/Subtraction

If you have both multiplication/division or addition/subtraction left, ALWAYS work left to right.

Since there are no parentheses or exponents you do the multiplication first