Solution
673 estimated to the nearest hundred - 200
258 estimated to the nearest hundred - 300
Hence, the required estination = (700 - 300) - 400
EXERCISE 10
1. Round each of the following numbers to the nearest tens
(a) 36
(b) 173
2. Round each of the following numbers to the nearest hundred
(a) 814
(b) 1254
id) 98163
3. Round each of the following numbers to the nearest thousand:
(a) 793
(b) 4826
(0) 16719
(a) 98394
4. Round each of the following numbers to the nearest ten thousand:
(a) 17514
(b) 26340
() $4890
d) 273685
Estimate each sum to the nearest ten:
5. (57 +34)
6. (43 +78)
8. (86 +19)
9. (95 +58)
11. (356 + 275)
12. (463 +182)
Estimate each sum to the nearest hundred:
7. 04.69)
10. (77 +63)
13. (538 +276)
14. (236 +689)
15. (458 +3240
16. a 70 +395)
Answers
Answered by
1
1.a) 40
b)170
2.a)810
b)1300
c)98200
3.a) i guess it's not the full question
b)5000
c)17000
d)98000
4.a)20000
b)30000
c)i guess it's also not the full question
d)270000
5.90
6.120
7.110
8. 150
9. 630
10. 650
11. this too its not the full question
12.100
13. 800
14. 900
15. 3700
16. 590
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Answered by
0
Exercise 10
1. (a) 40
(b) 170
2. (a) 900
(b) 1000
(c) 98000
3. (a) 1000
(b) 4000
(c) 10,000
(d) 2,73,000
4. (a) 10,000
(b) 30,000
(c) 10,000
(d) 3,00,000
5.60+30=90
6. 40+80=120
8. 90+20=110
9. 100+90=190
11. 400+300=700
12. 500+200=700
7. 04.70
10. 100+100=200
13. 500+300=800
14. 200+700=900
15. 500+3200=3700
16.a. 100+400=500
These are the answers...
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