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Pertanyaan

Nilai dari 5 − 4 × 2 − 6 adalah ...

Nilai dari  adalah ...

  1. begin mathsize 14px style 100 to the power of negative 3 end exponent end style 

  2. begin mathsize 14px style 100 to the power of negative 4 end exponent end style 

  3. begin mathsize 14px style 200 to the power of negative 2 end exponent end style 

  4. begin mathsize 14px style 200 to the power of negative 3 end exponent end style 

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Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah C.

jawaban yang tepat adalah C.

Pembahasan

Pembahasan
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Ingat bahwa : Sehingga, Nilai dari adalah . Jadi, jawaban yang tepat adalah C.

Ingat bahwa : straight a to the power of negative straight n end exponent equals 1 over straight a to the power of straight n space atau space straight a to the power of straight n equals 1 over straight a to the power of negative straight n end exponent straight a to the power of straight m cross times straight a to the power of straight n equals straight a to the power of straight m plus straight n end exponent straight a to the power of straight n cross times straight b to the power of straight n equals open parentheses straight a cross times straight b close parentheses to the power of straight n

Sehingga,

table attributes columnalign right center left columnspacing 0px end attributes row cell 5 to the power of negative 4 end exponent cross times 2 to the power of negative 6 end exponent end cell equals cell 1 over 5 to the power of 4 cross times 1 over 2 to the power of 6 end cell row blank equals cell 1 over 5 to the power of 4 cross times fraction numerator 1 over denominator 2 to the power of 4 cross times 2 squared end fraction end cell row blank equals cell fraction numerator 1 over denominator left parenthesis 5 cross times 2 right parenthesis to the power of 4 cross times 2 squared end fraction end cell row blank equals cell fraction numerator 1 over denominator 10 to the power of 4 cross times 4 end fraction end cell row blank equals cell fraction numerator 1 over denominator 40.000 end fraction end cell row blank equals cell 1 over 200 squared end cell row blank equals cell 200 to the power of negative 2 end exponent end cell end table   

Nilai dari begin mathsize 14px style 5 to the power of negative 4 end exponent cross times 2 to the power of negative 6 end exponent end style adalah 200 to the power of negative 2 end exponent.

Jadi, jawaban yang tepat adalah C.

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