1) Viết các tich sau dưới dạng lũy thừa
a) 5 x 125 x 625
b) 10 x 100 x 1000
c) \(^{8^4\times16^5\times32}\)
d) \(^{27^4\times8^{10}}\)
2) So sánh hai lũy thừa
a) \(^{3^{200}và^{^{ }}2^{300}}\)
b) \(125^5và25^7\)
c) \(9^{20}và27^{13}\)
d) \(3^{54}và2^{81}\)
a 5.125.625=5.5^3.5^4=5^8
b 10.100.1000=10.10^2.10^3=10^6
c 8^4.16^5.32=2^3^4.2^4^5.2^5=2^12.2^20.2^5=2^37
a) = \(5^1\cdot5^3\cdot5^4=5^{1+3+4}=5^8\)
b) = \(10^1\cdot10^2\cdot10^3=10^{1+2+3}=10^6\)
c) = \(2^{12}\cdot2^{20}\cdot2^5=2^{12+20+5}=2^{37}\)