She's rounding down. Thinking you use the number from the hundred place. You round using the tens place. It's over 50 so u go off the 75 in this case ending up with 1,300
1/5 written as a decimal just divide 1 by 5 and you get: 0.2 as a decimal.
Answer:
B
Step-by-step explanation:
The problem is simple because they use powers of 10. When something is multiplied by a power of ten, it is essentially moving the decimal point over for every power.
9.46x10^12= 9460000000000
4.0x10^13= 40000000000000
Although 4 itself is less than 9.46, since is is being multiplied by 10^13, it will be one decimal place bigger.
The answer is x=0
Step by step explanation:
X+5=5
X+5-5=5-5
X=0.
Factor
18a=2*3*3*a
20b=2*2*5*b
common factors common to both is 2
that's it
GCF=2
