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Firlakuza [10]
2 years ago
12

Use exponents to write 81 three different ways

Mathematics
2 answers:
Lunna [17]2 years ago
8 0
3 to the power of 4
That is all that I can think of for now
arlik [135]2 years ago
3 0
6561^1/2 (^1/2 means to the power of a half, which is the same as the square root)
9^2
3^4
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At the beginning of each of her four years in college, Miranda took out a new Stafford loan. Each loan had a principal of $5,500
kaheart [24]

Answer:

D. $31,337.27

Step-by-step explanation:

We have that the initial amount of the loan is $5500.

Miranda took the loan for 4 years. So, the total present value is $5500×4 = $22,000.

The rate of interest on the loan is 7.5% i.e. 0.075 and it was for the duration of 10 years.

Also, it is given that the loan was compounded annually.

We have the formula as,

P=\frac{\frac{r}{n}\times PV}{1-(1+\frac{r}{n})^{-t\times n}}

i.e. PV=\frac{P\times [1-(1+\frac{r}{n})^{-t\times n}]}{\frac{r}{n}}

Substituting the values, we get,

i.e. PV=\frac{P\times [1-(1+\frac{0.075}{12})^{-10\times 12}]}{\frac{0.075}{12}}

i.e. 22000=\frac{P\times [1-(1+0.00625)^{-120}]}{0.00625}

i.e. 22000=\frac{P\times [1-(1.00625)^{-120}]}{0.00625}

i.e. 22000=\frac{P\times [1-0.4735]}{0.00625}

i.e. 22000=\frac{P\times 0.5265}{0.00625}

i.e. P=\frac{22000\times 0.00625}{0.5265}

i.e. P=\frac{137.5}{0.5265}

i.e. P=261.16

Thus, the total lifetime cost to pay of the loans compounded annually  = 261.16 × 120 = $31,339.2

Hence, the total cost close to the answer is $31,337.27

7 0
3 years ago
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Which series is convergent? Check all that apply.
xxTIMURxx [149]

Answer: C, D

Step-by-step explanation:

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If there are 624 calories in 3 servings, how many calories are in 1 serving?
zlopas [31]

Answer:

208 carlories each serving

7 0
2 years ago
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A caterpillar eats through 2/3 leaves for every 4/5 minutes. What is the unit ratio for leaves eaten through to minutes?
eimsori [14]

Answer:

1 1/5

Step-by-step explanation:

8 0
2 years ago
Jewelry store buys a gold watch to sell the price of the watch is marked up 45% the store sells the watch for $2610 how much did
Vadim26 [7]

Answer:

$1435.50 is your answer

Step-by-step explanation:

$2610 - 45% = 1435.50

4 0
2 years ago
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