The answer is option 2,
2x10^10
Answer:
a is the answer.
Step-by-step explanation:
You multiply fractions simply by multiplying numerators and denominators with each other:

It’s a question because there is not value of time.
Answer:

Step-by-step explanation:
distribute 2 into (4x+2) and -12 into (x-1)
8x+4=4x-12x+12
combine like terms
8x+4=-8x+12
add -8x on both sides
8x+8x+4=12
16x+4=12
subtract 4 on both sides
16x=8
divide both sides by 16
x=1/2
hope this helps