Answer:
10 and 15, 20 and 25, and 35 and 45.
Step-by-step explanation:
You can write 5 to the negative fourth power as 5^(-4). In cases, when you have negative power, you just have to put 5^4 in the denominator. So, instead of 5^(-4), you have 1/(5^4).
5^4 equals to 625.
In the last step you have to divide 1 by 625.
The result is 0.0016.
She should invest 50% of the income in the B rated bonds and the other 50% in the certificate of deposit to realize $6,000 of interest income per year.
