Question

simplify the following and express the answer in exponential form​

Answer 1

512

(8) ^15 ÷ (8) ^12

(a^m ÷ a^n = a^m-n)

8^(15-12)

8^3

512

Answer 2

Answer:

Solution :

$(8)^{15} \: \div \: (8)^{2} \\ (a ^{m} \: \div \: a^{n} \: = \: a ^{m - n} ) \\ = > 8 ^{ (15 - 12)} \\ = > 8 ^{3} \\ = > 512.$

Now,

◆ We express 512 in exponential form :

512 = 5 x 100 + 1 x 10 + 2 x 1 .

512 = 5 x 10²+ 1 x 10¹ + 2 x 10° .

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