The formula for compound interest is:

Given data:

a. After ten years, that is t = 10 years, the amount in the account will be

b. After twenty years, that is t = 20 years, the amount in the account will be:

c. The time it takes for Harry's initial account value to double will be:

Therefore, the time it takes Harry's initial account to double is approximately **11 years**

<span>8,241 divided by 173 equals 47 and 110/173. You get this by figuring out how many times 173 can fit into 8,241 evenly, then you are left with a remainder that is smaller than 173. The remainder is put into a fraction, being 110 left, out of the total of 173.</span>

**Answer:**

56 degrees

**Step-by-step explanation:**

**Answer:**

a. Yes, the conditions for interefernce are met.

**Step-by-step explanation:**

Edge

**Answer:**

no

**Step-by-step explanation:**

3^3=27

so 3^3+3^3+3^3=27+27+27=81

3^9=19683