flakkamartinez068 flakkamartinez068
  • 09-05-2022
  • Mathematics
contestada


Omar broke a cell sample into 8 batches, each
weighing 3.9 x 10-10
grams. How much did the
original sample weigh? Use scientific notation to
express your answer.

Respuesta :

reinhard10158
reinhard10158 reinhard10158
  • 09-05-2022

Step-by-step explanation:

we have 8 equally "heavy" batches.

one weighs 3.9 × 10^-10 g

so, the total sample then weighed

8 × 3.9 × 10^-10 = 31.2 × 10^-10 = 3.12 × 10^-9 g

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