Question

[Nguyễn Thị Trang]

Bài 1: Tính

1. a) \(\frac{8^{10}}{4^{14}}\)
2. \(\frac{6^5\times5^3}{10^3}\)

Answer 1

[.]

1. \(\frac{8^{10}}{4^{14}}=\frac{\left(2^3\right)^{10}}{\left(2^2\right)^{14}}=\frac{2^{30}}{2^{28}}=2^2=4\)

2. \(\frac{6^5.5^3}{10^3}=\frac{6^5}{2^3}=\frac{6^3.6^2}{2^3}=3^3.6^2=27.36=972\)

Answer 2

[Nguyễn Minh Đăng]

1) \(\frac{8^{10}}{4^{14}}=\frac{\left(2^3\right)^{10}}{\left(2^2\right)^{14}}=\frac{2^{30}}{2^{28}}=2^2=4\)

2) \(\frac{6^5.5^3}{10^3}=\frac{2^5.3^5.5^3}{2^3.5^3}=2^2.3^5=972\)

Học tốt!!!!