Chapter 4 - Decimals - Summary Exercises - Adding, Subtracting, and Multiplying Decimal Numbers - Page 296: 34

(a) $4.0625 \approx 4$ $6.75 \approx 7$ $16.52 \approx 17$ $1.6 \approx 2$ $68.563 \approx 69$ $1810 \approx 1810$ $0.5 \approx 1$ $7.75 \approx 8$ (b) Estimate 1918 Exact 1915.7455

(a) $4.0625 \approx 4$ $6.75 \approx 7$ $16.52 \approx 17$ $1.6 \approx 2$ $68.563 \approx 69$ $1810 \approx 1810$ $0.5 \approx 1$ $7.75 \approx 8$ (b) Estimate $4+7+17+2+69+1810+1+8$ = 1918 Exact $4.0625+6.75+16.52+1.6+68.563+1810+0.5+7.75$ = 1915.7455