I shall give the right answer brainliest

Answer:
I would say that the answer is 1 × 10^1.
Step-by-step explanation:
Hope this helps. If I get it wrong I'm sorry. :S
Answer:
C
Step-by-step explanation:
C:7,000 x 10^1 = 70,000
B:7,000 x 1.1 = 7,700
D:7,000 x 10^-1 = 700
A:7,000 x 63,000 = 441,000,000