Tính:
a, 130^3 / 40^3
b, ( 0,125 )^3 . 512
c, ( 0,25 )^4 . 1024
Tính:
(1/5)^5 . 5^3(0,125)^3 . 512(0,25)^4 . 1024120^3/40^3390^3/130^4(0,125) mũ 3 . 512
(0,25)mũ 4 . 1024
\(\left(0,125\right)^3.512=\frac{1}{512}.512\)
\(=1\)
\(\left(0,25\right)^4.1024=\frac{1}{256}.1024\)
\(=\frac{1.4}{1.1}\)
\(=4\)
(0,125)3*512
(0,25)4* 1024
\(\left(0,125\right)^3\cdot512\)
\(=\left(0,125\right)^3\cdot2^9\)
\(=\left(0,125\right)^3\cdot8^3\)
\(=\left(0,125\cdot8\right)^3\)
\(=1^8=1\)
\(\left(0,25\right)^4\cdot1024\)
\(=\left(0,25\right)^4\cdot2^{10}\)
\(=\left(0,625\right)^2\cdot32^2\)
\(=\left(0,625\cdot32\right)^2\)
\(=20^2=400\)
(0,125)3 * 512
(0,25)4 * 1024
\(\left(0,125\right)^3.512=\left(0,125\right)^3.8^3=\left(0,125.8\right)^3=1^3=1\)
\(\left(0,25\right)^4.1024=\left(0,25\right)^4.2^{10}=\left(0,25\right)^4.2^8.2^2\)
= \(\left(0,25\right)^4.4^44\)
= \(\left(0,25.4\right)^4.4\)
= \(1^4.4\)
= 1.4=4
Tính:
a) (0,125)3 . 512
b) (0,25)4 . 1024
1) Tính
a) (0,125)3 . 512
b) (0,25)4 . 1024
c) (3/7)^21 : (9/49)^6
Tính:
a) ( 0,25)^4 * 1024
b) ( 0,8 )^5 / (0,4)^6
c) ( 0,125 )^3 * 512
d) 45^10 * 5^20 / 75^15
e) 2^15 * 9^4 / 6^6 * 8^3
a) 4
b) 80
c) 243
d) 9
bạn tự giải ra nhé!mk làm tắt thui
a/ \(\left(\dfrac{1}{7}\right)\)7 * 77
b/ (0,125)3* 512
c/ (0,25)4*1024
\(\left(\dfrac{1}{7}\right)^7\cdot7^7=\left(\dfrac{1}{7}\cdot7\right)^7=1^7=1\\ \left(0,125\right)^3\cdot512=\left(0,125\right)^3\cdot8^3=\left(0,125\cdot8\right)^3=1^3=1\\ \left(0,25\right)^4\cdot1024=\left(0,25\right)^4\cdot256\cdot4=\left(0,25\right)^4\cdot4^4\cdot4=\left(0,25\cdot4\right)^4\cdot4=1^4\cdot4=4\)
a) \(\left(\dfrac{1}{7}\right)^7.7^7=\left(\dfrac{1}{7}.7\right)^7=1^7=1\)
b) \(\left(0.125\right)^3.512=\left(0.125\right)^3.8^3=\left(0.125\cdot8\right)^3=1^3=1\)
c) \(\left(0.25\right)^4.1024=\left(0.25\right)^4.4^5=\left(0.25\right)^4.4^4.4=\left(0.25.4\right)^4.4=1^4.4=1.4=4\)
a) (\(\frac{1}{5}\))5 . 55
b) (0,125) 3 . 512
c) (0,25) 4. 1024
A) (1/5)^5 . 5^5 = 1/5^5 . 5^5 = 5^5 / 5^5 = 1.
B)(0,125)^3 . 512 = (1/8)^3 . 512 = 1/8^3 . 512 = 1/512 . 512 = 1.
C) (0,25)^4 . 1024 = (1/4)^4 . 1024 = 1/4^4 . 1024 = 1/256 . 1024 = 4.