Hello!
If our answer is in scientific notation, our answer will be multiplied by 10 to a power. In this case, we will only need to multiply 8 by 8.8.
This gives us 70.4(10^12).
I hope this helps!
Yes because -5 does equal -5
Answer:
Marsha earned interest = $850
Step-by-step explanation:
Amount deposited = $8500
Time = 2 years
Interest rate = 5% = 0.05
We need to find how much did Marsha earn in interest
The formula use is: 
Where I is interest earned, P is amount deposited, r is interest rate and t is time.
Putting values and finding interest.

So, Marsha earned interest = $850
You have to organize the parameters of the real-world situation that is known and unknown. Also, you have to distinguish which of them are dependent and independent. Next, you assign letters as your variables. Lastly, you make an algebraic expression by translating the relationship into the mathematics.
C). In step 2, he needed to divide both sides of the equation by 5.