Ok, 6×25=150, since there are 6 sides, the answer is 150cm.
I believe the answer is C 1,300
Answer:
B.
Step-by-step explanation:
The easiest way is to substitute 8 for x in the first equation,
You can write
1.5
⋅
10
5
=
15
⋅
10
4
15
⋅
10
4
−
8
⋅
10
4
=
(
15
−
8
)
⋅
10
4
=
7
⋅
10
4
Since the power is positive we move the dec.point 4 to the right:
=
70000
Hope it works
