viet tich duoi dang luy thua
10;100;1000;1000;10...(n so 0)
Viet cac tich sau duoi dang 1 luy thua
2.2.2.3.3.6^2.3
\(\left(2\cdot2\cdot2\cdot3\cdot3\cdot6\right)^{2\cdot3}\)
\(=432^6\)
hok tốt
2.2.2.3.3.6^2 . 3 = 23 . 32 . 36 . 3
= 23 . 32 . 22 . 32 . 3
= 24 . 35
Viet tich sau duoi dang luy thua cua mot so :
27^3 x 9^4 x 243
=(3^3)^3x(3^2)4x3^5
=3^9x3^8x3^5
=3^22
10.10.10.10
viet tich tren duoi dang luy thua
ai hoc lop 7 thi kb nha
Viet tich sau duoi dang luy thua
2/3×4/9×8/27
Ghi cach giai ra gium minh voi
viet tich sau duoi dang mo luy thua co co so nho nhat:(23)5.25
Ta có: \((2^3)^5.2^5\)
\(=2^{15}.2^5\)
\(=2^{15+5}=2^{20}\)
( 23 )5 . 25
= 23.5 . 25
= 215 . 25
= 215 + 5
= 220
Vậy ...
\(\left(2^3\right)^5.2^5\)
\(=\left(2^{3.5}\right).2^5\)
\(=2^{15}.2^5\)
\(=2^{20}\)
Viet tich sau duoi dang mot luy thua
2 .2 .2 .3 .3 .62 . 3
viet cac so sau duoi dang luy thua cua 1 so:
\(a)-\frac{8}{27}\)
\(b)\frac{81}{625}\)
viet cac tich sau duoi dang luy thua cua 1 so:
\(a)27.81\)
\(b)\frac{2}{5}.\frac{8}{125}.\frac{16}{625}\)
1.
a) \(-\frac{8}{27}=-\left(\frac{2}{3}\right)^3\)
b) \(\frac{81}{625}=\left(\frac{3}{5}\right)^4\)
2.
a) 27.81=2187=37
b) sai đề
viet cac tich sau duoi dang luy 1 luy thua
82.324=?
273.94.243=?
\(8^2.32^4=\left(2^3\right)^2.\left(2^5\right)^4=2^6.2^{20}=2^{26}\)
273.94.243\(=\left(3^3\right)^3.\left(3^2\right)^4.\left(3.2^3\right)^3=3^9.3^8.3^3.2^9=3^{20}.2^9\)
Viet tich sau duoi dang mot luy thua:
2. 2. 2. 3 .3 . 62 . 3