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a)=(-5)6=56
b)=(-6)3.(-7)3=[(-6)(-7)]3=423
c)=(-3).(-3)4.(-7)3(-7)2.(-2).(-2)4
=(-3)5.(-7)5.(-2)5
=[(-3)(-7)(-2)]5
=(-42)5
a: \(\left(-5\right)\cdot\left(-5\right)\cdot\left(-5\right)\cdot\left(-5\right)\cdot\left(-5\right)=\left(-5\right)^5\)
b: \(\left(-2\right)\cdot\left(-2\right)\cdot\left(-2\right)\cdot\left(-3\right)\cdot\left(-3\right)\cdot\left(+3\right)=\left(-2\right)^3\cdot3^3\)
a (-7)^6
b (-4).(-4).(-4).(-5).(-5).(-5)
=[(-4).(-5)].[(-4).(-5)].[(-4).(-5)]
=20 .20 .20 =20^3
a) \(\left(-7\right).\left(-7\right).\left(-7\right).\left(-7\right).\left(-7\right).\left(-7\right)=\left(-7\right)^6\)
b) \(\left(-4\right).\left(-4\right).\left(-4\right).\left(-5\right).\left(-5\right).\left(-5\right)\\ =\left[\left(-4\right).\left(-5\right)\right].\left[\left(-4\right).\left(-5\right)\right].\left[\left(-4\right).\left(-5\right)\right]\\ =20.20.20=20^3\)
1: 2*2*2*2*2*2=2^6
2: x*x*x*x=x^4
3: =7^4*6^4=42^4
4: =5^2*3^2*4^2=60^2
5: =2*3^2*5^5
6: =10^3*10^3=10^6
\(a,\left(-7\right).\left(-7\right).\left(-7\right).\left(-7\right)\)
\(=\left(-7\right)^4=2401\)
\(b,\left(-3\right).\left(-3\right).\left(-3\right).\left(-4\right).\left(-4\right).\left(-4\right)\)
\(=\left(-3\right)^3.\left(-4\right)^3=12^3\)
\(c,4.9.25\)
\(=9.\left(4.25\right)=900=30^2\)
\(d,8.\left(-3\right)^3.\left(-125\right)\)
\(=\left(-3\right)^3.\left[\left( -125\right).8\right]\)
\(=\left(-3\right)^3.\left(-1000\right)\)
\(=\left(-3\right)^3.\left(-10\right)^3\)
\(=30^3\)
a) \(3^3.3^4=3^{3+4}=3^7\)
b) \(5^2.5^7=5^{2+7}=5^9\)
c) \(7^5.7=7^{5+1}=7^6\)
a. (-2).(-2).(-2).(-2).(-2).(-2) = (-2)6
b. (-4).(-4).(-4).(-4).(-5).(-5).(-5).(-5) = (-4)4.(-5)4=204
c. (-8).(-3)3.(-27) = (-2)3.(-3)3.(-3)3 = (-2)3.93 = (-18)3
d. (+49).(+7).(-2)3.27 = 72.7.(-2)3.33 = 73.(-2)3.33 = (-42)3
a) (-2) . (-2) . (-2) . (-2) . (-2) . (-2)
= (-2)\(^6\)
b) (-4) . (-4) . (-4) . (-4) . (-5) . (-5) . (-5) . (-5)
= (-4)\(^4\). (-5)\(^4\)
c) (-8) . (-3)\(^3\). (-27)
= (-2) . (-2) . (-2) . (-27) . (-27)
= (-2)\(^3\) . (-27)\(^2\)
d) 49 . 7 . (-2)\(^3\). 27
= 7 . 7 . 7 . (-2)\(^3\). 3 . 3 . 3
= 7\(^3\). (-2)\(^3\). 3\(^3\)
chúc bạn học tốt!!!
\(a,\left(-7\right)^6\)
\(b,\left(-4\right)^3.\left(-5\right)^3=\left[\left(-4\right).\left(-5\right)\right]^3=20^3\)