Answer:
Sorry its a little blurry.
For example 5^-2 has to be in a positive exponent form you would put it as a fraction 1/5 and make the exponent positive next to the 5. This is due to a flip which makes the exponent positive
Answer: 8 weeks
Step-by-step explanation:
He originally had $315 in his account. This figure increased to $955. It therefore increased by:
= 955 - 315
= $640
If he deposited $80 every week, the number of weeks it would take to deposit $640 is:
= 640/80
= 8 weeks
