Question

2.Comparati puterile:
a)11×7³cu7⁴
b)3³⁴cu 2⁵¹
c)4⁷⁵cu2¹⁴⁵
d)10⁶cu2⁶×5⁷
VĂ ROG REPEDE!!!​

Answer 1

a) 11×7³ si 7⁴

= 11×7³ < 7³ × 7

b) 3³⁴ si 2⁵¹

= (3²)¹⁷ si (2³)¹⁷

= 9¹⁷ > 8¹⁷

c) 4⁷⁵ si 2¹⁴⁵

= (2²)⁷⁵ si 2¹⁴⁵

= 2¹⁵⁰ > 2¹⁴⁵

d) 10⁶ si 2⁶×5⁷

= 10⁶ si 2⁶×5⁶×5

= 10⁶ si (2×5)⁶ × 5

= 10⁶ < 10⁶×5