# give a rough estimate(by rounding off to nearest hundreds)and also a closer estimate (by rounding off to nearest tens):(a) 439+334+4,317=(b) 1,08,734-47,599=(c) 8325-491=(d) 4,89,348-48,365=

a) 439+334+4317

rounding off to nearest hundreads-

439=400

334=300

4317=300

= 300 + 400 + 4300 +  = 1000

by rounding off to nearest tens

439= 440

334=330

4317= 4320

440 + 330 + 4320 = 5090

b) 108734 - 47599

hundreds

108734 = 108700

47599 = 47600

= 61100

tens

108734= 108730

47599= 47600

= 61130

c)8325-491

8325= 8300

491= 500

=7800

tens

8325 = 8330

491 = 500

= 7830

d) 489348 - 48365

489348 = 489300

48365 = 48400

= 440900

tens

489348 = 489350

48365  = 48370

= 440980

• 0

a) 400 + 300 + 4,300 =5000   ,   440 + 330 + 4320 = 5090

b) 1,08,700   - 47600= 61100 , 1,08,730 - 47,600 = 61130

c) 8,300 - 500 = 7800   ,   8320 - 490 = 7830

d) 4,89,300 - 48,400 = 440900 , 4,89,350 - 48,360 = 440990

• -2
tens 610
• 0
What the answer is
• 0
108734-47599
• 0
What are you looking for?