Даю 61 балл. только второй вариант. Created by opdef. algebra-ru

Даю 61 балл. только второй вариант...

Valtera 1) $c^9*c^2= c^{9+2} =c ^{11} .$
2) $b^{8} :b^4=b^4.$
3) $(a^5)^3= a^{15} .$
4) $(xy)^n=x^ny^n.$
5) $( \frac{b}{c} )^3= \frac{b^3}{c^3} .$
6) $...=x^3*x^{12} =x^{15} .$
7) $...=a^6:a^7=a^ ^{-1} .$
8) $...=9a^6 b^{10} .$
9) $...= \frac{3y^3}{5x^3} .$
10) $4!=1*2*3*4=24.$
11) $...= \frac{c ^{2k+5} }{c^{2k} } =c^5.$
12) $10 ^{2(n-1)} =10^4 \\ 2n-2=4 \\ 2n=6 \\ n=3.$
13) $5^8*11^8\ \textless \ 11^8*11^8$

1 votes Thanks 1

julyap $1)c ^{9} *c ^{2} =c ^{9-2} =c ^{7} \\ 2)b ^{8} :b ^{4} =b ^{8-4} =b ^{4} \\3) (a ^{5} ) ^{3} =a ^{5*3} =a ^{15} \\ 4)(xy) ^{n} = x^{n} y^{n}$
$5)( \frac{b}{c} ) ^{3} = \frac{b ^{3} }{c^{3} }$

$6) x^{3} * (x^{4} ) ^{3} = x^{3} * x^{12} = x^{15} \\ 7) \frac{a*a ^{5} }{a ^{7} } = \frac{1}{a} \\ 8)(-3a ^{3} b ^{5} ) ^{2} =9a ^{6} b ^{10} \\$

$9) \frac{9 x^{3} y^{4} }{15 x^{6} y} = \frac{3 y^{3} }{5 x^{3} }$

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$13)55 ^{8} ?11 ^{16} \\ 11 ^{8} *5 ^{8} ? 11^{8} *11 ^{8} \\ 11 ^{8} *5 ^{8} \ \textless \ 11^{8} *11 ^{8}$

0 votes Thanks 1

Answers & Comments

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