23115
11315
13115
21325
Correct answer is C
4137 to base 5
convert first to base 10
4177=4×72+1×71+3×70
= 4 × 49 + 1 × 7 + 3 × 1
= 196 + 7 + 3
= 20610
convert this result to base 5
| 5 | 206 |
| 5 | 41R1 |
| 5 | 8R1 |
| 5 | 1R3 |
| 0R1 |
∴ 413_7 = 1311_5
Given that log2a = log84, find a...
Four boys and ten girls can cut a field in 5 hours if the boys work at \frac{5}{4} the rate at w...
If x2 + kx + \frac{16}{9} is a perfect square, find the value of k...
List all integers satisfying the inequality in -2 < 2x-6 < 4 ...
Given that log_3 27 = 2x + 1, find the value of x....
If \sqrt{50} - K\sqrt{8} = \frac{2}{\sqrt{2}}, find K...
In the diagram, POS and ROT are straight lines. OPQR is a parallelogram, |OS| = |OT| and ∠O...
What is the nth term of the progression 27, 9, 3,......? ...