Answer:
-120 is a negative and 400 is a positive
Step-by-step explanation:
also there is a 520 difference
<span>Number part = <span>3.3 </span></span>and
<span>Exponent part = -7</span>
<span>3.3*<span>10<span>−7</span></span></span>
Answer:
Anna will need to deposit 
Step-by-step explanation:
we know that
The compound interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
n is the number of times interest is compounded per year
in this problem we have
substitute in the formula above and solve for P