# 7-9 answer

7) a) 11x5=55 cm2

b) 9x7=63 cm2

c) 62.x3=18.6 cm2

8) a) 9x3=27 m2

9) A= bxh

3x4=12 m2

Order Of Operation-The Language Of Math

B-Brackets ( )

E-Exponets *

D-Division (in order from left to right)

M-Multiplication

A-Adding (In order from left to right)

S-Subtraction

Note:Division and Multiplication goes left to right and if you see the first number you divide it and after that you multiply it.

Example: