Question

bài1: tính nhanh

a) (0,125) mũ 3 nhân 512

b) ( 0, 25) mũ 4 nhân 1024

mk cần gấp giúp mk vs

Answer 1

Bài 1:

a) \(\left(0,125\right)^3.512\)

\(=\left(0,125\right)^3.8^3\)

\(=1^3\)

\(=1.\)

b) \(\left(0,25\right)^4.1024\)

\(=\left[\left(0,25\right)^2\right]^2.32^2\)

\(=\left(0,0625\right)^2.32^2\)

\(=2^2\)

\(=4.\)

Chúc bạn học tốt!

Answer 2

a) (0,125)³.512=\(\frac{1}{8}\)³.512=\(\frac{1}{512}\).512=1

b)(0,25)⁴.1024=\(\frac{1}{4}\)⁴.1024=\(\frac{1}{256}\).1024=4

Answer 3

a, ( 0,125 )³ . 512

=( \(\frac{1}{8}\))³ . 512

= \(\frac{1}{512}\) . 512

= 1

b, ( 0,25) ⁴ . 1024

= \(\left(\frac{1}{4}\right)\)⁴ . 2¹⁰

= \(\frac{1}{\left(2^2\right)^4}\). 2¹⁰

= \(\frac{1}{2^8}\). 2¹⁰

= 2²

= 4