Answer:
105 = 10 x 10 x 10 x 10 x 10 = 100,000 (5 zeros)
108 = 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 = 100,000,000 (8 zeros)
Step-by-step explanation:
6 x 10^8
Take out both the 6, then look at what exponent is bigger, 3 or 8, 8
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