What is the Value of 11101\(_{two}\)+ 10011\(_{two}\) - 10001\(_{two}\)?
10001\(_{two}\)
10011\(_{two}\)
10111\(_{two}\)
11111\(_{two}\)
111111\(_{two}\)
Correct answer is D
11101\(_{two}\) → 29
+ 10011\(_{two}\) → 19
- 10001\(_{two}\) → 17
11111 = 31
Evaluate 0.0025 × 2.5 × 102 to 2 significant figures.
0.625 × 10-3
0.63 × 10-2
6.25 × 10-3
6.3 × 10-2
6.3 × 10-1
Correct answer is E
No explanation has been provided for this answer.
If x + \(\frac{1}{x}\) = 8, find x2 + \(\frac{1}{x^2}\)
64
62
32
16
4
Correct answer is B
No explanation has been provided for this answer.
39.40 metres
46.20 metres
46.25 metres
46.50 metres
48.25 metres
Correct answer is A
No explanation has been provided for this answer.
Solve for x in the quadratic equation. 2x2 + 12x + 10 = 0
x = -5, -1
x = -5,1
x = -3, -2
x = 3, 2
x = 6, 5
Correct answer is A
No explanation has been provided for this answer.