Answer:
B and D
Step-by-step explanation:
When you subtract a negative number, you are adding.
7-(-7)=7+7=14
Adding goes right on a number line.
Answer:
49.6cm
Step-by-step explanation: First you have to find the diameter of the circle by multiplying the radius by 2.
8x2=16
Then multiply 16 by 3.1
16x3.1=49.6
Answer:
54
Step-by-step explanation:
4^3-4/2*5
4^3=64
64-4/2*5
-4/2=-2
64-2*5
-2*5=-10
64-10=54
Parenthesis
Exponent
Multiply or Divide (whichever comes first)
Add or Subtract (whichever comes first)
Hope this helps
Step-by-step explanation:
l
- lcm 3
- use the lcm to divide the answers by 3