Answer:
1st option
Step-by-step explanation:

note that the cube is only for c not a
RS = 6
TR = 4.5
Find TS.
R--------------T----------------S
TS = RS - TR
TS = 6 - 4.5
TS = 1.5
Did you follow?
Answer:E
Step-by-step explanation: when you count the units you go down 8 and then you look over and see that it was moved to the right 7 times
Answer:
This would be .0051 as an ordinary number.
Step-by-step explanation:
In order to turn this into a normal number, simply move the decimal place the same amount of times as the exponent.
So this would result in .0051