October 2018 1 23 Report

Zad.1

liczba 3^{11} *27^{12} * 81^{4} jest równa:

a)81^{15}

b)3^{61}

c)9^{32}

d)27^{21}

Zad.2

Liczba log81 jest równa:

a)log70+log11

b)2log3+log9

c)log90-log9

d)log27*log3

Zad.3

Iloraz liczby log_{9} 256 i log_{9}128 wynosi:

a)\frac{6}{7}

b)\frac{5}{7}

c)\frac{8}{7}

d)\frac{9}{7}


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