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## Answers

102 = 100

103 = 1000

104 = 10000

105 = 100000

106 = 1000000

and so on...

Now, if we multiply ten thousand by one hundred we get one million, or writing this down:-10,000 × 100 = 1,000,000

or

104 × 102 = 106

(Notice 4 + 2 = 6)

In other words, we can multiply two numbers by adding their powers. These powers are the logarithms of the numbers. For instance, the logarithm of 100 is 2.