Answer:Move the decimal place to the left to create a new number from 1 up to 10. Where's the decimal point in 312,000,000,000? .
Determine the exponent, which is the number of times you moved the decimal.
Put the number in the correct form for scientific notation.
Step-by-step explanation:
15 - 4t = 3
-15 -15
-4t = -12
-4t/-4 = -12/-4
t = 3
I think the answer is A, correct me if I wrong !
