Question

Calculați:
a) 2 la puterea 17 * 2 la puterea 21;
b) 3 la puterea 45 * 3 la puterea 87 *3 la puterea 55;
c) 7 la puterea 19* 7la puterea 83*7 ;
d)2 la puterea 47*2 la puterea 39;
e)5 la puterea 108:5 la puterea 72;
f)(10 la puterea 12) la puterea 15.

Answer 1

a) 2¹⁷ x 2²¹ = 2³⁸
b) 3⁴⁵ x 3⁸⁷ x 3⁵⁵ = 3¹⁸⁷
c)7¹⁹ x 7⁸³ x 7 = 7¹⁰³
d)2⁴⁷ x 2³⁹ = 2⁸⁶
e)5¹⁰⁸ : 5⁷² = 5³⁶
f) (10¹²)¹⁵ = 10¹⁸⁰