Answer:B
Step-by-step explanation:
3.1x10^9 is putting 9 zero’s behind the 3.1
move the decimal point over 9 spaces which will leave you with 3,100,000,000
= 3.1 Billion
Answer:
#4
Step-by-step explanation:
If you round the 6. Or if they ask u to round the tenth place or ones place and do the opposite or something else
Answer:
y= -x/6-9
x= -6y-54
Step-by-step explanation:
It will take under 10 seconds to hit the ground