9.3 × 107 would be the scientific notation
Answer:
i would say your right
Step-by-step explanation:
Answer: 2x-6
Work Shown:
john = x
sam = x-3 since he scored 3 fewer than john
rob = 2*(sam) = 2(x-3) = 2*x-2*3 = 2x-6
Answer:
Step-by-step explanation:
Hope this helps :D

Recall that


Your sums start at
, so in order to apply these formulas directly, you need to compensate for the missing first two terms:


