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storchak [24]
3 years ago
10

Enter the value of and the equation

Mathematics
2 answers:
Ilia_Sergeevich [38]3 years ago
8 0

Answer:

n = 5

Step-by-step explanation:

Using the rules of exponents

a^{m} × a^{n} = a^{(m+n)} ,

(a^m)^{n} = a^{mn}

Given

(3^{n}.3^{2} ) ^{4} = 3^{28} , then

(3^{(n+2)}) ^{4} = 3^{28}

3^{4(n+2)} = 3^{28}

Since the bases on both sides are equal, both 3 then equate the exponents

4(n + 2) = 28 ← divide both sides by 4

n + 2 = 7 ( subtract 2 from both sides )

n = 5

lisov135 [29]3 years ago
5 0

Answer:

the answer I got is 9×3n/100

and pls mark as brainliest and u can use Mirosoft maths solver it can help u solve and get u examples too

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b)

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