Answer:
see explanation
Step-by-step explanation:
Given
4x - 8x ÷ 2
Under the rules of PEMDAS , division must be performed before subtraction.
Hence
4x - 8x ÷ 2 = 4x - 4x ← dividing - 8x by 2, then
4x - 4x = 0 ← correct answer
Answer: Sara multiplied by 3 when she should have multiplied by 8.
Step-by-step explanation:
21 : 7*8
7*8 = 56
21 : 56
The simplest form of this ratio is 3 : 8
Answer:
negative square root of 2
negative square root of 3
negative square root of 5
Step-by-step explanation:
:)
<span>2.1e-10
= 2.1 x 10^-10
= 0.00000000021
hope it helps</span>
Answer:
10x+15
Step-by-step explanation: