<span>2.1e-10
= 2.1 x 10^-10
= 0.00000000021
hope it helps</span>
Answer
t = 3n
Step-by-step explanation:
n and t are proportional so you know they will be on the opposite ends of the equal sign. Then you know that the items are purchased at the constant price of $3. That means you do the number of items times 3 to get the total cost.
Sari did not use the greatest common factor in the equation.
