Marcus made a mistake in Step 2. 5/2.5 is 2 not 3.
-11 -(-42) A double negative makes a positive
-11 + 42
31
Answer:
21 X 10^-8 is the correct answer
Step-by-step explanation:
(7X3) X 10^(-6-2)
21 X 10^ -8
Answer:
9 + 7n - 3 ;
61 ;
Step-by-step explanation:
Let the number = n
9 + 7*n - 3
Hence, the expression is :
`9 + 7n - 3
If the number,n = 8
The value of the expression becomes :
9 + 7(8) - 3
8 + 56 - 3
= 61
Answer:
A: 6
B: 7.68
C: 28.26
Step-by-step explanation:
A:
D is 6
B:
C = πd
18.84
C:
A = πr 2
28.26
Not 100% sure but hope this helps!
Answer:
5=1/3x-11
Step-by-step explanation:
Add eleven to each side to get 16=1/3x. Then multiply each side by three to get 48=x, so x=48.-step explanation: