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:
6060 grams
Step-by-step explanation:
M = 5.3kg + 760g
= 5300g + 760g
= 6060 grams
X+y=18
5x+y=62
x is number of five dollar bills and y is one dollar bills.