## Thinking Mathematically (6th Edition)

Multiply the corresponding parts to find: $=(5 \cdot 2.3) \times (10^3 \cdot 10^{2}) \\=11.5 \times 10^{3+2} \\=11.5 \times 10^5 \\=1.15 \times 10^{5+1} \\=1.15 \times 10^6\\=1,150,000$