Evaluate the following: a. `7^(-3) `
b.`(1/8)^(-5)`
c `(2/7)^(-3)`

Evaluate the following:- a. 2^3 b. 3^2 c. 5^4 d. (-4)^3 e. (-2)^7

Find the median of the following data: 3(3)/(7), 3(5)/(8), 3(1)/(2), 3(1)/(4), 3(7)/(9) "and" 3(7)/(11)

Re-arrange suitably and find the sum in each of the following: (2)/(3)+(-4)/(5)+(1)/(3)+(2)/(5) (ii) (1)/(8)+(5)/(12)+(2)/(7)+(7)/(12)+(9)/(7)+(-5)/(16)

Express the following as improper fractions: (a) (7)(3)/(4) (b) (5)(6)/(7) (c) (2)(5)/(6) (d) (10)(3)/(5) (e) (9) (3)/(7) (f) (8)(9)/(4)

Find the distances between the following pairs of points: 1.(2,3) and (5,7)5.(b+c,c+a) and (c+a,a+b)

Show that the following points are collinear: (i) A(2, -2), B(-3, 8) and C(-1, 4) (ii) A(-5, 1), B(5, 5) and C(10, 7) (iii) A(5, 1), B(1, -1) and C(11, 4) (iv) A(8, 1), B(3, -4) and C(2, -5)

Find the mode of following distribution: 3.5, 3.5, 3.1, 3.5, 3.7, 3.8, 3.5, 3.6, 3.7, 3.2

Find the value of : (a) | 3/5 - 2/3 | ( b ) | -5/7 + 1 |

What should come next in the following series? 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 7 6 5 4 3 2 1 1 2 3