1. Evaluate: (i) \(3^{-2} = ({1\over 3})^2\) = \(1\over9\) (ii) \(-4^{-2}={1\over -4}\times {1\over -4}\) = \(1\over 16\) (iii) \({({1\over 2})}^{-5}\) = \({({2\over 1})}^{5}\) \(= 2\times 2\times 2\times 2\times 2\times 2=32\) Q…
Question 1: Express the following numbers in standard form. Answer : (i) \(0.0000000000085 = 8.5 × 10^{−12}\) (ii) \(0.00000000000942 = 9.42 × 10^{−12}\) (iii) \(6020000000000000 = 6.02 × 10^{15}\) (iv) \(0.00000000837 = 8.37 × 1…
Keeping the examination point of view in mind the skmath.in team has prepared NCERT Solutions for Class-8 Maths- Factorisation Ex 12.2. The NCERT Solutions for chapter Factorisation solutions explains the easy and simple way to s…
Keeping the examination point of view in mind the skmath.in team has prepared NCERT Solutions for Class-8-Maths-Factorisation Ex 12.1. The NCERT Solutions for chapter Factorisation solutions explains the easy and simple way to so…
Question 1: Draw the graphs for the following tables of values, with suitable scales on the axes. (a) Cost of apples Number of apples 1 2 3 4 5 Cost (in ₹) …
Question 1: The following graph shows the temperature of a patient in a hospital, recorded every hour. (a) What was the patient’s temperature at 1 p.m.? (b) When was the patient’s temperature 38.5°C? (c) The patient’s temperature…
1.The shape of the top surface of a table is a trapezium. Find its area if its parallel sides are 1 m and 1.2 m and perpendicular distance between them is 0.8 m. Solution: One parallel side of the trapezium (a) = 1 m And second …
