# Chapter 5 - Exponents and Polynomials - 5.6 - Integral Exponents and Scientific Notation - Problem Set 5.6 - Page 224: 86

4.939 $\times$ $10^{9}$

#### Work Step by Step

We need to write 4,939,000,000 as the product of a number greater than or equal to 1 and less than 10, and an integral power of 10. The number greater than or equal to 1 and less than 10 will be 4.939 The decimal point has moved 9 places to the right, so the exponent of 10 will be 9. So, 4,939,000,000 = 4.939 $\times$ $10^{9}$

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