Answer:
4.09
Step-by-step explanation
since negatives over power positive numbers
-6.8+(-2.71) - will simplify plus into minus
-6.8 - 2.71 - now just subtract
6.8-2.71=4.09
Answer:
13
Step-by-step explanation:
2x+2-3x-15>0
-x+13>0
-x>0-13
x>-13/-1
x>13
$4.05 per visit
if he continued going to the gym twice a week all year would be $2.88 per visit.
Answer:
The first one is correct.
Step-by-step explanation:
I know a thing or two about a thing or two about powers of 10.