Answer:
6
Step-by-step explanation:
1+3=4 4-2=2 2+4=6
Well, 9 billion = 9,000,000,000 so in scientific form it would be 9 x 10^9 To get the exponent, just count the number of zeros, which for 9 billion we have 9
Answer:
its C
Step-by-step explanation:
Answer:
Step-by-step explanation: this is math not English
Answer:
is not full information!!!!
Step-by-step explanation: