Help with math question? 18 x 2^3 - 5 x 6 divided by 2?

Question

Ha. Math homework. =/

Answer 1

18 x 2^3 - 5 x 6 / 2 = 18 x 8 - 5 x 6 / 2 = 144 - 15 = 129

It's just about order of operations.

Parenthesis,

then Powers and Roots,

then Multiplication and Division,

then Addition and Subtraction.

Answer 2

Use pemdas

1. (exponents)

18 x (2x2x2=8) - 5x6

18 x 8 - 5 x 6

2. Multiply

144 - 30

3. Subtract

114

4. Divide by 2

57

Answer 3

pemdas

P (none)

E 18x(2^3=8)-5x6/2  

M (18X8)-(5X6)/2  or 144 - 30 /2

D 144- (30/2=15)

A none

S 144-15 = 129

129

Answer 4

this is a great site:

http://www.purplemath.com/modules/    

Answer 5

18*8-5*6/2

144-30/2

144-15

=129

u

Answer 6

use PEMDAS (please excuse my dear aunt sally but remember that division or mutliplication can go first just like addition and subtraction.

or you can go to http://www.quickmath.com

Answer 7

PEMDAS

Answer 8

125

Answer 9

57.

Answer 10

you are correct with the 114 all you have to do is work slowly and apply PEMDAS (Please Excuse My Dear Aunt Sally)

Answer 11

Solve 18 x 2^3 - 5 x 6 first using the order of operation, then divide by 2.

Answer 12

P E M D A S

Answer 13

PEMDAS!!

1) 2^3 = 2x2x2 = 4 x 2 = 8

                                               18x8-5x6

2) 18x8= 144

                                                  144-5x6

3) 5x6= 30

                                                      144-30

4)144-30= 114

                                                         114/2

5) 114/2 = 57

57 is your answer