Question

7(10 – 23) + 8 ÷ 2 In this question i know how to do everything except in the middle of 7 and 10 please help me.

Answer 1

oh i forgot the 23 is 2 to the power of 3

Answer 2

From http://en.wikipedia.org/wiki/Order_of_operations

The order of operations, or precedence, used throughout mathematics:

1. terms inside parentheses or brackets
2. exponents and roots
3. multiplication and division
4. addition and subtraction

Apply the rules above to:
7*(10 - 2^3) + 8/2

Answer 3

thx

Answer 4

You're welcome.