Question

calculati aplicand proprietatile puterilor
va rog mult
dau coroana si puncte multe​

Answer 1

Răspuns:

b) = 15²ˣ⁵:(3⁹·5⁸)=3¹⁰·5¹⁰:3⁹·5⁸=3¹⁰⁻⁹·5¹⁰⁻⁸=3¹·5²=3·25=75

e) =5²·3²·5⁵·3⁵·1=5²⁺⁵·3²⁺⁵=5⁷·3⁷=(3·5)⁷=15⁷

h) =(3²)⁵·(3³)⁴:3²⁰=3¹⁰⁺¹²⁻²⁰=3²=9

c) = (5²·2²)¹⁰:(2¹⁹·5¹⁹)=5²⁰·2²⁰:2¹⁹·5¹⁹=5²⁰⁻¹⁹·2²⁰⁻¹⁹=5·2=10

f) = 1·(5·6)⁵:(5·6)³=(5·6)⁵⁻³=30²=900

i) = 5²·(5²)¹⁰:(5³)⁷=5²⁺²⁰⁻²¹=5¹=5