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(a)  Rounding off by general rule, 578 rounds off to 600 161 rounds off to 200, Required product =   (b)  Rounding off by the general rule, 5281 rounds off to 5000 3491 rounds off to 3500 Required product =  (c)  Rounding off by general rule, 1291 rounds off to 1300 592 rounds off to 600 Required product =  (d)   Rounding off by general rule, 9250 rounds off to 10000 29 rounds off to...
(a)  Rounding off to nearest hundreds, 439 rounds off to 400 334 rounds off to 300 4317 rounds off to 4300, Required sum =  Again, by rounding off to nearest tens, 439 rounds off to 440 334 rounds off to 330 4317 rounds off to 4320, Required sum =    (b)  Rounding off to nearest hundreds,  rounds off to  rounds off to Required difference =  Also, rounding off to nearest tens,   rounds off...
(a)       By rounding off to hundreds, 730 rounds off to 700, 998 rounds off to 1000. Required sum =    (b)  By rounding off to hundreds, 796 rounds off to 800, 314 rounds off to 300. Required difference =    (c)  By rounding off to thousands, 2904 rounds off to 13000, 2822 rounds off to 3000. Required sum =    (d)  By rounding off to nearest thousands, 28,296 rounds off to 28000, 21,496...
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