Advertisements
Advertisements
Question
Identify the greater number in the following.
28 or 82
Sum
Solution
28 or 82
28 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 = 256
82 = 8 × 8 = 64
256 > 64 gives 28 > 82
∴ 28 is greater.
shaalaa.com
Is there an error in this question or solution?
Chapter 3: Algebra - Exercise 3.1 [Page 52]
APPEARS IN
RELATED QUESTIONS
Express the following in exponential form:
5 × 5 × 7 × 7 × 7
Evaluate:
`(2^-1+3^-1)^3`
Evaluate: `((- 3)/(- 5))^3`
Complete the table below.
Sr. No | Indices (Numbers in index form) |
Base | Index | Multiplication form | Value |
(i) | 34 | 3 | 4 | 3 × 3 × 3 × 3 | 81 |
(ii) | 163 | ||||
(iii) | (−8) | 2 | |||
(iv) | `3/7 xx 3/7 xx 3/7 xx 3/7` | `81/2401` | |||
(v) | (−13)4 |
Find the value of 81.
Expand a3b2, a2b3, b2a3, b3a2. Are they all same?
Express the following number as a product of powers of prime factor: 16000
Find the value of the following.
26
Express `16/81` and `(-16)/81` as powers of a rational number.
Express the following as a product of powers of their prime factors:
9000