7.158 * 10^9 rounds to 7 * 10^9
7 * 10^9 = 7,000,000,000
Let us say the original price of taco before tip was x dollars.
Percentage of tip given =25 %
Amount of tip given = $2
Now we can say that 25 % of total amount = 2 dollars.
Making an equation,

Now we have to solve for x, so dividing both sides by 0.25,
x= 8
Answer : The original price of tacos before tip was $8.
Answer:
t^748+7534
Step-by-step explanation:
12.73 GB total when rounded to the nearest 100th.
3.5/27.5=y
y•100= 12.73