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