Simplify 1025−623+3
...Simplify 1025−623+3
6415
61115
7415
71115
Correct answer is B
1025−623+3
525−203+31
= 156−100+4515
156+45−10015
= 201−10015
= 10115
= 61115
Simplify (0.09)2 and give your answer correct to 4 significant figures...
A cylindrical container closed at both ends, has a radius of 7cm and height 5cm [Take π = 22/7] ...
\(\begin{array}{c|c} \text{Age in years} & 10 & 11 & 12 \\ \hline \text{Number of pupils...
The nth term of a sequence is n2 - 6n - 4. Find the sum of the 3rd and 4th terms....
If x > 0, find the range of number x-3, 3x+2,x-1, 4x, 2x-1, x-2, 2x-2, 3x and 3x+1 ...
Find the standard deviation of the following data -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5 ...