How do you simplify #2^ { 3} \div 4- 1#?

1 Answer
Mar 2, 2018

#2^3-:4-1=color(teal)1#

Explanation:

Use the order of operations as indicated by the acronym PEMDAS.

Parentheses/brackets
Exponents/powers
Multiplication and Division in order from left to right.
Addition and Subtraction in order from left to right.

Simplify: #2^3-:4-1#

There are no parentheses, but there is an exponent. Simplify #2^3# to #8#.

#8-:4-1#

Carry out the division. Simplify #8-:4# to #2#.

#2-1#

Subtract.

#1#