©2009 – Not to be sold/Free to use Stage 5 Year 9 Rational Numbers Index Notation Powers Press Ctrl-A ©2009 – Not to be sold/Free to use

Evaluating Numbers in Index Notation (34)2 Powers of Indices using expanded notation. (24)3 = 2x2x2x2 x 2x2x2x2 x 2x2x2x2 = 212 (56)2 = 5x5x5x5x5x5 x 5x5x5x5x5x5 = 512 (32)5 = 3x3 x 3x3 x 3x3 x 3x3 x 3x3 = 310 2

Evaluating Numbers in Index Notation Rule: Power of Indices (am)n = amxn (25)2 = 25x2 = 210 (57)2 = 57x2 = 514 (34)7 = 34x7 = 328 3

Evaluating Numbers in Index Notation Exercises (39)2 = 318 (56)2 = 512 (85)2 = 810 (27)3 = 221 (109)2 = 1018 (118)3 = 1124 (156)2 = 1512 (206)3 = 2018