Question

1.Cqlculqti:!a)19² b)3⁴ c)2¹+2019⁰ d)2²⁵:2²⁴•2 e)3⁰+1⁷ f)32:4²​

Answer 1

Răspuns:

a)19² =19·19=361

b)3⁴ =3·3·3·3=81

c)2¹+2019⁰ =2+1=3

d)2²⁵:2²⁴•2 =2²⁵⁻²⁴⁺¹=2²=2·2=4

e)3⁰+1⁷ =1+1=2

f)32:4²=2⁵:(2²)²=2⁵:2²ˣ²=2⁵⁻⁴=2¹=2

0ⁿ = 0

1ⁿ = 1

a⁰ = 1