Answer: and $475 deposited into the account on her birthdays by her 18th birthday.
Step-by-step explanation:
It is given that, on Gabriela’s first birthday, her parents gave her a $50 savings account.
Initial term :
On every birthday after that her parents added to the account, increasing the amount they deposited by $25 each year.
Common difference :
It forms an AP: 50,75,100,...
nth term of an AP is
Substitute and in the above formula.
It represents the amount deposited into the account after n birthdays.
We need to find the amount by her 18th birthday.
Put n=18 in the above equation.
Therefore, $475 deposited into the account on her birthdays by her 18th birthday.
Answer:
Step-by-step explanation:
<u>The difference in interest amount is:</u>
- $500*4*(4.5 - 2.5)/100 = $40
Jason received $40 more than Alistair
Answer: <u>It's in the photo.</u>
Step-by-step explanation:
<u>1.</u> 7^8 divided by 7^8 would be 1.
<u>2.</u> 2^-2 would be 0.25. 2^-3 would be 0.125. Multiplied together would be 0.03125.
3. 5^-10 is 1.024e-7
. 5^-15 is 4.096e-9. Simplified would be 0.4.
<u>4.</u> 4^2 is 16. 4^-1 is 0.25. Multiplied together would be 4.