Chapter 5 - Number Representation and Calculation - Chapter Summary, Review, and Test - Review Exercises - Page 244: 5

$70329= (7 \times 10^4) + (0 \times 10^3) + (3 \times 10^2) + (2 \times 10) + (9\times 1)$

Writing the given number in its expanded form gives: $70329 \\= 70000+ 300 + 20+9 \\=(7 \times 10000) + (0 \times 1000) + (3 \times 100) + (2 \times 10) +(9\times 1) \\= (7 \times 10^4) + (0 \times 10^3) + (3 \times 10^2) + (2 \times 10) + (9\times 1)$