How do you simplify #(7 + 2^3) times 9# using order of operations?

1 Answer
Mar 25, 2018

Answer:

See a solution process below:

Explanation:

First, execute the Exponent operation:

#(7 + color(red)(2^3)) xx 9 => (7 + 8) xx 9#

Next, execute the Addition operation within the Parenthesis:

#(color(red)(7) + color(red)(8)) xx 9 => 15 xx 9#

Now, execute the Multiplication operation:

#15 xx 9 => 135#