Answer to Question #16238 in Algebra for jen

Question #16238
the estimated population of the world was 3,559,028,982 people. When this number is written in expanded form using exponents, one power of 10 would not be represented. Which power of 10 and why?
1
Expert's answer
2012-10-12T08:43:37-0400
The fifth power of ten would not be represented.
Each individual digit would be shown as a power of ten.
982 would be the sum of:
9 times 100. (100 is 10 to the second power)
plus
8 times 10. (10 is 10 to the first power.)
plus
2 times 1. (I is 10 to the zero power.)

The only significant digit represented by a zero is the "hundred thousands" (100,000 is 10 to the fifth power.)





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