Answer:
Step-by-step explanation:
X + 2 = 6.2
subtract 2 from both sides
x = 4.2
Answer:
She can read 24 pages in one hour.
Step-by-step explanation:
= 
<em>hope this helps, good luck :)</em>
Whatever number is the exponent if negative just move it to the right how much the number is. if it 5 with an exponent of -3 then you just move the decimal point 3 times to the right. The anwer to that question would be .005