EXERCISE 6.2
[ EVALUATE EXPRESSIONS - DECIMAL ]
( evalute the following decimal expressions )
1. 6.57 × 11.28 - 12.8 × 14.7 × 7.6 - 10.7 = ?
2. 12.8 + 9.4 + 19.14 = ?
3. 8.5 - 12.72 + 82.68 ÷ 10.6 - 15.71 = ?
4. 4.84 + 9.71 + 8.8 + 6.1 + 12.78 × 7 × 1.1 = ?
5. 2.48 - 3.01 + 8.21 - 3.9 × 64.2789 ÷ 5.13 - 17.74 = ?
6. 9.39 - 18.77 + 18.15 × 93.84 ÷ 13.8 + 7.27 + 6.6 + 17 = ?
7. 7.9 + 3.5 + 101.556 ÷ 9.3 + 18.7 - 6.98 - 14.36 = ?
8. 0.724 ÷ 0.2 - 16.3 - 15.4 - 3.7 + 69.652 ÷ 4.4 - 19.35 × 10.4 = ?
9. 7.69 × 332.64 ÷ 18.9 - 15.48 + 4.97 = ?
10. 18.84 × 8.09 - 86.572 ÷ 18.82 × 2.66 = ?
ANSWERS
1. -1366.6064
2. 41.34
3. -12.13
4. 127.856
5. -58.927
6. 144.91
7. 19.68
8. -217.19
9. 124.834
10. 140.1796