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प्रश्न
Evaluate using the expansion of (a + b)2 or (a – b)2 :
(208)2
बेरीज
उत्तर
(208)2 = (200 + 8)2
= (200)2 + (8)2 + 2(200) (8)
= 40000 + 64 + 3200
= 43264
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Evaluate using the expansion of (a + b)2 or (a – b)2 :
(20.7)2
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60,000 + 4000 + 600 + 70 + 9
Write the following numbers in standard notation.
8000000 + 70000 + 3000 + 30 + 5
Write the following numbers in expanded from.
1,45,70,004
Represent given values in Abacus.
Write in standard form: 7 lakhs + 5 thousands + 4 tens + 3 ones
Complete the given table.
| Number | Expanded Form | |
| a | 6785 | |
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| c | 3000 + 300 + 20 + 7 | |
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| f | 2934 |
Write in expanded form:
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