Pertanyaan

Bentuk pangkat positif dari 15 3 2 5 − 5 adalah….

Bentuk pangkat positif dari $\frac{3 ^{2} 5 ^{- 5}}{15}$ adalah….

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Ingat sifat dari perpangkatan Maka:

Ingat sifat dari perpangkatan

a to the power of m cross times a to the power of n equals a to the power of m plus n end exponent a to the power of negative n end exponent equals 1 over a to the power of n

Maka:

$table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator 3 squared 5 to the power of negative 5 end exponent over denominator 15 end fraction end cell equals cell fraction numerator 3 squared 5 to the power of negative 5 end exponent over denominator 3 cross times 5 end fraction end cell row blank equals cell 3 squared over 3 cross times 5 to the power of negative 5 end exponent over 5 end cell row blank equals cell 3 to the power of 2 minus 1 end exponent cross times 5 to the power of open parentheses negative 5 close parentheses minus 1 end exponent end cell row blank equals cell 3 to the power of 1 cross times 5 to the power of negative 6 end exponent end cell row blank equals cell 3 cross times 1 over 5 to the power of 6 end cell row blank equals cell 3 over 5 to the power of 6 end cell end table$