a, 4⁶

b, 8^3.4.2

c, 5³.7⁴

d,8.2⁶

a) 4.4.4.4.4.4 = 4⁶

b) 8.8.8.4.2 = 8.8.8.(4.2) = 8.8.8.8 = 8⁴

c) 5.5.5.7.7.7.7 = 5³.7⁴

d) 8.2.2.2.2.2.2 = 8.(2.2.2).(2.2.2) = 8.8.8 = 8³

a) 4.4.4.4.4.4= 4⁶

b) 8.8.8.4.2=8^3..4.2

c) 5.5.5.7.7.7.7=5^3.7⁴

d)8.2.2.2.2.2.2=8.2⁶

\(\text{Viết gọn các tích sau bằng cách dùng lũy thừa :}\)

       \(8.8.8.4.2\)

\(=8\cdot8\cdot8\cdot8\)

\(=8^4\)

       \(5.5.5.7.7.7.7\)

\(=5^37^4\)

        \(8.2.2.2.2.2.2\)

\(=2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\)

\(=2^9\)

8.8.8.4.2=8.8.8.8=8⁴

5.5.5.7.7.7.7=5³.7³

8.2.2.2.2.2.2=2³.2⁶=2⁹

\(8.8.8.4.2=8^3.4.2\)

\(5.5.5.7.7.7.7=5^3.7^4\)

\(8.2.2.2.2.2.2=8.2^6\)

Học tốt #

`3.5 .15.15  = 3.5.3.5.3.5 = 3^3.5^3`

`2.2.5.2.5 = 2^3 . 5^2`

`1000.10 .10 = 10^3 .10^1 . 10^1 = 10^5`

`a.a.a.b.b.b = a^3 . b^3`

`n.n.n + p.p = n^3 . p^2`

a: =15*15*15=15^3

b: =2^3*5^2

c: =10^3*10^2=10^5

d: =a^3*b^3

e: =n^3+p^2

a, \(7.7.7.7=7^4\)

b, \(3.5.15.15=3^2\) và \(5^2\) 

c, \(2.2.5.5.2=2^3\)và  \(5^2\)

d,\(1000.10.10=10^4\) 

a 7.7.7.7 = \(7^4\)

b 3.5.15.15 = 15.15.15 = \(15^3\)

c 2.2.5.5.2 = \(2^3\cdot5^2\)

d 1000 . 10 . 10 = 10 . 10 . 10 . 10 . 10 =\(10^5\)

\(a,7.7.7.7=7^4\)

\(b,3.5.15.15=15.15.15=15^3\)

\(c,2.2.5.5.2=2^3.5^2\)

\(d,1000.10.10=10.10.10.10=10^4\)

Đ/s: ... 

a) 7 . 7 . 7 . 7 = 7\(^4\)

b) 3 . 5 . 15. 15 = 15 . 15 . 15 = 15\(^3\)

c) 2 . 2 . 5 . 5 . 2 = 2\(^3\). 5\(^2\)

d) 1000 . 10 . 10 = 10 . 10 . 10 . 10 . 10 = 10\(^5\)

a)7x7x7x7=7⁴.                 b)3x5x15x15=15³

c)2x2x5x5x2=2³x5².       d)100x10x10=10⁴

a. \(2^4\cdot3^2\)
b. \(x^5\)

c. \(3^4\cdot4^2\cdot2^2\)

2:

a: n=5^4

=>n=625

b: n^3=125

=>n^3=5^3

=>n=5

c: 11^n=1331

=>11^n=11^3

=>n=3

hr

7.7.7.7 = 74