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प्रश्न
Identify the greater number, wherever possible, in the following?
28 or 82
योग
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उत्तर
28 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 = 256
82 = 8 × 8 = 64
Therefore, 28 > 82
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अध्याय 11: Exponents and Powers - EXERCISE 11.1 [पृष्ठ १७४]
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संबंधित प्रश्न
Find the value of 26.
Express the following as product of powers of its prime factor:
3,600
Express the following number in index form.
Sixth root of 9
Evaluate:
`(3^-1xx9^-1)÷3^-2`
Evaluate:
`[(1/4)^-3-(1/3)^-3]÷(1/6)^-3`
Evaluate: 22 x 33
Express `27/64` and `(-27)/64` as powers of a rational number.
Find the value of 25.
Identify the greater number in the following:
7.9 × 104 or 5.28 × 105
Write the number of seconds in scientific notation.
| Sl. No. | Unit | Value in Seconds |
| 1. | 1 Minute | 60 |
| 2. | 1 Hour | 3,600 |
| 3. | 1 Day | 86,400 |
| 4. | 1 Month | 2,600,000 |
| 5. | 1 Year | 32,000,000 |
| 6. | 10 Years | 3,20,000,000 |
