Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
82.324
= (23)2 . (25)4
= 26.220 = 26+20
= 226
b) 815:97
= (92)5:97
= 910:97 = 910-7
= 93
a) 82 . 324 = ( 23)2 . ( 25)4 = 26 . 220 = 226
b) 815 : 97 = ( 34)5 . ( 32)7 = 320 . 314 = 334
Chúc học tốt
\(a,2^5.8^4=2^5.2^{12}=2^{17}\)
\(b,25^6.125^3=5^{12}.5^9=5^{21}\)
\(c,625^5.25^7=5^{20}.5^{14}=5^{34}\)
\(d,12^3.3^3=\left(12.3\right)^3=36^3\)
a) 25 . 84 = 25 . (23)4 = 25 . 212 = 217
b) 256 . 1253 = (52)6 . (53)3 = 512 . 59 = 521
c) 6255 : 257 = (252)5 : 257 = 2510 : 257 = 253
d) 123 . 33 = (12 . 3)3 = 363
Trả lời:
\(a)\)\(2^5.8^4=2^5.\left(2^3\right)^4=2^5.2^{12}=2^{5+12}=2^{17}\)
\(b)\)\(25^6.125^3=\left(5^2\right)^6.\left(5^3\right)^3=5^{12}.5^9=5^{12+9}=5^{21}\)
\(c)\)Chưa rõ đề.
\(d)\)\(12^3.3^3=\left(12.3\right)^3=36^3\)
l) 27^8=(33)8=324
=>278:322=324:322
=324-22=32
m) 8^4=(23)4=212
45=(22)5=210
=>84:45=212:210
=212-10=22
a) \(27^8:3^{22}\)
\(=\left(3^3\right)^8:3^{22}\)
\(=3^{24}:3^{22}=3^{24-22}\)
\(=3^2\)
b) \(8^4:4^5\)
\(=\left(2^3\right)^4:\left(2^2\right)^5\)
\(=2^{12}:2^{10}=2^{12-10}=2^2\)
\(25^6.125^3\)
\(=\left(5^2\right)^6.\left(5^3\right)^3\)
\(=5^{12}.5^9\)
\(=5^{12+9}\)
\(=5^{21}\)
Ủng hộ nha
a) 25 . 84 = 25 . (23)4 = 25 . 212 = 217
b) 256 . 1253 = (52)6 . (53)3 = 512 . 59 = 521
c) 6255 : 257 = (252)5 : 257 = 2510 : 257 = 253
d) 123 . 33 = (12 . 3)3 = 363
a: =3^4*3^9=3^13
b: =2^10:2^7*2^20*2^30=2^53
c: =2^12*2^10*2^30=2^52
=(12*3)^3
=36^3
12^3 x 3^3
= ( 12 x 3 )^3
= 36 ^3