EXERCISE 6.2
[ EVALUATE EXPRESSIONS - DECIMAL ]
( evalute the following decimal expressions )
1. 61.5 ÷ 12.3 - 18 - 7.3 × 29.04 ÷ 2.4 × 8.5 - 15.92 = ?
2. 5.8 × 7.2 × 2 = ?
3. 12.6 - 6.3 - 7.6 = ?
4. 2.49 - 13 - 40.48 ÷ 8.8 + 18.13 - 11.31 = ?
5. 9.7 + 19.49 - 15.2 = ?
6. 14.68 - 6.3 + 81.3501 ÷ 19.89 - 173.555 ÷ 10.3 × 18.5 = ?
7. 7.4 × 1.62 × 10.26 × 180.48 ÷ 14.1 × 210.056 ÷ 15.4 - 21.5 ÷ 4.3 + 3.59 = ?
8. 17.09 × 8.26 - 12.8 × 4.51 × 325.2972 ÷ 17.66 × 2.9 = ?
9. 16.8 + 16.5 × 33.852 ÷ 8.06 - 15.28 - 3.5 + 6.5 × 10.7 = ?
10. 261.94 ÷ 18.71 × 9.4 + 18.2 - 13.8 - 16.12 = ?
ANSWERS
1. -779.725
2. 83.52
3. -1.3
4. -8.29
5. 13.99
6. -299.255
7. 21472.86127296
8. -2942.550904
9. 136.87
10. 119.88