1.

Find m so that ( 2 7 ) −5 × ( 2 7 ) −11 = ( 2 7 ) 8m

Answer»

EXPLANATION:

Find the value of:

(i) 26 (ii) 93

(iii) 112 (IV)54

ANSWER:

(i) 26 = 2 × 2 × 2 × 2 × 2 × 2 = 64

(ii) 93 = 9 × 9 × 9 = 729

(iii) 112 = 11 × 11 = 121

(iv)54 = 5 × 5 × 5 × 5 = 625



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