viet cac ket qua sau duoi dang 1 luy thua
a/ 35 :33
b/ 125:53
c/75:343
d/a12:a8
viet ket qua cac phep tinh sau duoi dang luy thua 329:64
\(32^9:64=\left(2^5\right)^9:2^6=2^{45}:2^6=2^{45-6}=2^{39}\)
viet ket qua cac phep tinh sau duoi dang 1 luy thua
5 mũ 13 : 5 mũ 7
a mũ 9 . a .a mũ 5
513: 57 = 5 13-7=56=15625
a9.a.a5=a9+1+5=a15
Trả lời :
513 : 57 = 513-7 = 56
a9 . a . a5 = a9+1+5 = a15
~~Học tốt~~
\(5^{13}:5^7=5^{13-7}=5^6\)
\(a^9\cdot a\cdot a^5=a^{9+1+5}=a^{15}\)
Viet cac ket qua sau duoi dang một luy thua
3^5:3^3;125:5^3;7^5:343;a^12:a^18
3^2+4^2;13^2-5^2;1^3+3^3
2^5×8^4;25^6×125^3;625^5:25^7;12^3×3^3
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 1 luy thua
a/ -8 . -3 . +125
b/ 27 . -23 . -7 .+49
viet ket qua duoi dang luy thua 4^20 * 8^10
420 . 810
= 410+10 . 810
= 410 . 410 . 810
= (4 . 4 . 8)10
= 12810
VIET KET QUA SAU DUOI DANG LUY THUA CUA 1 SO TU NHIEN
8^9:2^3
VIET KET QUA SAU DUOI DANG LUY THUA CUA 1 SO TU NHIEN
8^9:2^3
trả lời :
89 : 23
= ( 23 ) 9 : 23
= 23 . 9 : 23
= 227 : 23
= 227 - 3
= 224
viet ket qua phep tinh duoi dang 1 luy thua
9 mũ 5 : 3 mũ 7
8 mũ 6: 4 mũ 8
25 mũ 7:125 mũ 3
\(9^5:3^7=\left(3^2\right)^5:3^7=3^{10}:3^7=3^3\)
\(8^6:4^8=\left(2^3\right)^6:\left(2^2\right)^8=2^{18}:2^{16}=2^2\)
\(25^7:125^3=\left(5^2\right)^7:\left(5^3\right)^3=5^{14}:5^9=5^5\)
Chúc bạn học tốt !
trong cac so sau , so nao la luy thua cua 1 so tu nhien voi so mu lon hon 1 gồm: 8, 10, 16, 64, 125, 144, 1000 (chu y rang nhung so tu nhien co nhieu cach viet duoi dang luy thua?