Question

15 Scrieți rezultatul ca o singură putere:
a 2.4%;
b 27. 16; c225 . 413. 8";
e 42, 243, 13.46: 12"; g (520.25²):5“;
d 92.27.37;
h 125° :25(5)"

Answer 1

Răspuns:

a) 2³·(2²)³=2³⁺·6=2⁹

b) 2⁷·2⁴=2⁷⁺⁴=2¹¹

c) 2²⁵·(2²)¹³·(2³)⁷=2²⁵⁺²⁶⁺²¹=2⁷²

d) (3²)²·(3³)³·3⁷=3⁴⁺⁹⁺⁷=3²⁰

e) (2²)²²·2⁴⁰=2²ˣ²²·2⁴⁰=2⁴⁴⁺⁴⁰=2⁸⁴

f) (3·4)⁶·(3·4)⁴=(3·4)¹⁰=12¹⁰

g) [5¹⁰·(5²)²]³:5⁴⁰=5³⁰·5¹²:5⁴⁰=5³⁰⁺¹²⁻⁴⁰=5²

h) (5³)⁶:(5²)⁴·5³ˣ¹¹=5¹⁸⁻⁸⁺³³=5⁴³