What is 3 1/4 + 2 2/3
2 answers:
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Answer:
grains of sand are in the Sahara Desert
Step-by-step explanation:
Given :
The Sahara Desert has an area of approximately 9,400,400 sq.km.
Depth = 150 m
To Find :Approximately how many grains of sand are in the Sahara Desert?
Solution:
Area of Sahara desert = 9,400,400 sq.km.
So,
Volume of sand =
=
So,
1 cubic cm holds grains of sand = 8000
holds grains of sand =
=
Hence grains of sand are in the Sahara Desert
Eighths and their multiples are common fractions which I recommend memorizing, but to actually solve this, you use the literal meaning of a fraction and divide 5 by 8. See the long-division below (it was surprisingly difficult to type, so I hope it helps!).
To round 0.625 to the nearest hundredth, we go to the second decimal place, which is 5, so we round up to 0.63.
To round 0.625 to the nearest hundredth, we go to the second decimal place, which is 5, so we round up to 0.63.