17bhawksworth 17bhawksworth
  • 01-06-2020
  • Mathematics
contestada

One grain of this sand approximately weighs 7 x 10^-5 grams how many grains of sand are there in 6300kg of sand?
answer in standard form.

Respuesta :

yahyadkazi yahyadkazi
  • 01-06-2020

Answer:

Step-by-step explanation:

6.3x103 kg sand x 1x103 g/kg x 1 grain sand/7x10-5 g sand = 9x1010 grains of sand = 90 billion grains of sand.

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Аноним Аноним
  • 01-06-2020

90 billion grains of sand.

(6.3 x  103kg) (1 x 103g/kg x 1 )

DIVIDED by  7 x 10 - 5 g sand  

= 9 x 1010 grains of sand

Answer Link

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