Assessment – Indices

WEEKEND ASSIGNMENT

1)            Evaluate 3 ^x  = 1/8 1 (a) 4 (b) -4 (c) -2 (d) 2

2)            Simplify 2r⁵ X 9r³                (a) P²     (b) 2p⁴ (c) P³   d)18r⁸

3)            Solve 3^-y = 243                    (a) -5     (b) 5                       (c) 3                       (d) -3

4)            Solve 25^-5n = 625               (a) 1/5   (b) 2/5   (c) 1 1/5               (d) – 2/5

5)            Simplify (0.0001)²=          (a) 10^-5  (b) 10 ^-3 (c) 10^-8   (d) 10^-10

Theory

1. 16^3/2 x 8^2/32. 3X² x 4X³

32^1/56X⁷