1) Viết kết quả dưới dạng một lũy thừa
a)4^{13}.5^{26}
b)27^{15}:9^{10}
c)left(0,125right)^3.512
d)9^{20}:left(0,375right)^{40}
e)81.2^8
2)Tính
a)left(dfrac{1}{2}right)^3.left(dfrac{2}{3}right)^2
b)7^{2015}.left(dfrac{1}{4}right)^{2014}
c)left(dfrac{1}{2}right)^3:left(dfrac{1}{2}right)^6
d)dfrac{4^2.4^3}{2^{10}}
e)dfrac{left(0,6right)^5}{left(0,2right)^6}
f)dfrac{3^3.left(0,5right)^5}{1,5^4}
g)dfrac{2^7.9^3}{6^5.8^2}
i)dfrac{6^3+3.6^2.3^3}{-13}
k)2:left(dfrac{1}{2}-dfrac{2}{3}rig...
Đọc tiếp
1) Viết kết quả dưới dạng một lũy thừa
a)\(4^{13}.5^{26}\)
b)\(27^{15}:9^{10}\)
c)\(\left(0,125\right)^3.512\)
d)\(9^{20}:\left(0,375\right)^{40}\)
e)\(81.2^8\)
2)Tính
a)\(\left(\dfrac{1}{2}\right)^3.\left(\dfrac{2}{3}\right)^2\)
b)\(7^{2015}.\left(\dfrac{1}{4}\right)^{2014}\)
c)\(\left(\dfrac{1}{2}\right)^3:\left(\dfrac{1}{2}\right)^6\)
d)\(\dfrac{4^2.4^3}{2^{10}}\)
e)\(\dfrac{\left(0,6\right)^5}{\left(0,2\right)^6}\)
f)\(\dfrac{3^3.\left(0,5\right)^5}{1,5^4}\)
g)\(\dfrac{2^7.9^3}{6^5.8^2}\)
i)\(\dfrac{6^3+3.6^2.3^3}{-13}\)
k)\(2:\left(\dfrac{1}{2}-\dfrac{2}{3}\right)^3\)
l)\(0,5^5.32\)
m)\(\left(-0,125\right)^5.80^5\)
n)\(\left(0,25\right)^3.64\)
o)\(\left(-0,02\right)^5.\left(0,01\right)^5\)
3)Tìm giá trị của x sao cho
a)\(x^2=3^2\)
b)\(x^3=2^3\)
c)\(x^4=16\)
Help me tối nay1/8 18h mik đi hc rồi
