Answer:
The number is 4
Step-by-step explanation:
Let the number = 'x'
Reciprocal of 'x' = 1/x
Reciprocal of 2 = 1/2
8 times the reciprocal of 'x' = 

Now multiply both sides by x

Now divide both sides by 2

x = 4
Answer:
15 dollars
Step-by-step explanation:
I believe this is it
Answer:.
Step-by-step explanation:
The second one: 4 times 10 to the power of 12