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  1. 2 comma 25. space 10 to the power of negative 3 end exponent c m squared

  2. 2 comma 20. space 10 to the power of negative 3 end exponent c m squared

  3. 2 comma 00. space 10 to the power of negative 3 end exponent c m squared

  4. 1 comma 55. space 10 to the power of negative 3 end exponent c m squared

  5. 1 comma 50. space 10 to the power of negative 3 end exponent c m squared

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Y. Frando

Master Teacher

Mahasiswa/Alumni Universitas Negeri Yogyakarta

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Pembahasan

straight alpha space equals space 5 cross times 10 to the power of negative 8 end exponent divided by to the power of straight o straight C  straight A subscript 0 equals straight p subscript 0 cross times straight l subscript 0 equals space left parenthesis 30 cross times 30 right parenthesis equals space 900 space cm squared  increment straight T equals space 50 space minus 25 equals space 25 to the power of straight o straight C

maka space pertambahan space luas space keramik space adalah colon  increment straight A equals straight A subscript 0 cross times straight beta cross times increment straight T  increment straight A equals straight A subscript 0 cross times 2 straight alpha cross times increment straight T  increment straight A equals left parenthesis 900 right parenthesis cross times left parenthesis 10 cross times 10 to the power of negative 8 end exponent right parenthesis left parenthesis 25 right parenthesis  increment straight A equals 0 comma 00225 space cm squared  increment straight A equals 2 comma 25 space cross times 10 to the power of negative 3 end exponent space cm squared

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