1) Round 51 to the nearest tens and multiply it with 10. a) 500 b) 600 2) Round 37 to the nearest tens and multiply it with 20. a) 600 b) 800 3) Round 45 to the nearest tens and multiply it with 10. a) 400 b) 500 4) Round 132 to the nearest hundreds and multiply it with 20. a) 2000 b) 2600 5) Round 560 to the nearest tens and multiply it with 10. a) 5600 b) 6000 6) Round 988 to the nearest hundreds and multiply it with 30. a) 27000 b) 30000 7) Round 77 to the nearest tens and multiply it with 8. a) 560 b) 640 8) Round 233 to the nearest tens and multiply it with 9. a) 1800 b) 2070 9) Round 20 to the nearest tens and multiply it with 20. a) 400 b) 40 10) Round 61 to the nearest tens and multiply it with 50. a) 3000 b) 3500 11) Round 99 to the nearest tens and multiply it with 1. a) 99 b) 100 12) Round 33 to the nearest tens and multiply it with 2. a) 60 b) 66 13) Round 89 to the nearest tens and multiply it with 20. a) 1600 b) 1800 14) Round 555 to the nearest hundreds and multiply it with 50. a) 25000 b) 30000 15) Round 1400 to the nearest thousands and multiply it with 1. a) 1000 b) 1400 16) Round 3400 to the nearest thousands and multiply it with 2. a) 6000 b) 6800 17) Round 7777 to the nearest thousands and multiply it with 1. a) 7000 b) 8000 18) Round 1399 to the nearest thousands and multiply it with 20. a) 20000 b) 40000 19) Round 696 to the nearest hundreds and multiply it with 30. a) 18000 b) 21000 20) Round 1000 to the nearest thousands and multiply it with 10. a) 1000 b) 10000

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