Question

Bài 1. Viết gọn các tích sau dưới dạng luỹ thừa;

a/ 2.2.2.2.2.2.2               b/ 3.2.3.2.2.3.3.2          c/ 4.4.4.5.5.5

d/ x.x.x.y.y.y                 e/ 2.3.6.6.6.6                 g/ 2.10.5.10.10

h) 4 . 4 . 4 . 4 . 4                   i) 2 . 4 . 8 . 8 . 8 . 8             k) 10 . 10 . 10 . 100         l) x . x . x . x

Answer 1

ĐỀ BÀI NHƯ NÀO BẠN

 

Answer 2

a, =2⁷

b,=6.6.6.6=6⁴

c,=4.5.4.5.4.5=20.20.20=20³

Answer 3

a. 2.2.2.2.2.2.2= 2^7=128

b. 3.2.3.2.2.3.3.2= 3^4.2^4=1296

4.4.4.5.5.5= 4^3.5^3=8000

Answer 4

a,2^7

b,3^4.2^4=6^4.        c,4^3.5^3=20^3

Answer 5

a)

\(=2^7=128\)

b)

\(=3^4\cdot2^4=1296\)

c)

\(=4^3\cdot5^3=8000\)

 

Answer 6

a/2.2.2.2.2.2.2

=2⁷

=128

b/3.2.3.2.2.3.3.2

=2.2.2.2.3.3.3.3

=2⁴.3⁴

=(2.3)⁴

=6⁴

=1296

c/4.4.4.5.5.5

=4³.5³

=(4.5)³

=20³

=8000