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Topic: *delete me*!  (Read 2817 times)

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Offline marebare

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*delete me*!
« on: March 08, 2008, 03:33:03 PM »
OK SUPRISE SUPRISES IM LOST AGAIN



CAN SOMEONE HELP ME SET UP THIS PROBLEM

ASSUMING THAT ON AVERAGE THERE ARE 10 TREES PER HECTARE AND 80% OF THE WORLDS SURFACE IS WATER, HOW MANT METRIC TONS OF SUGAR ARE MADE BY TREES IN THE WORLD EVERYDAY? USE EXPONENTIAL NUMBERS AND ROUND TO JUST 2 SIGNIFICANT NUMBERS WHEREVER YOU CAN












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Offline Borek

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Re: *delete me*!
« Reply #1 on: March 08, 2008, 03:37:53 PM »
Please read forum rules.

Especially parts about thread subjects and capital letters.

Start finding Earth surface.
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Offline marebare

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earths surface
« Reply #2 on: March 08, 2008, 03:46:16 PM »
1 mile = 1.61 km
radius of the world = 7960 miles
surface area o a shere is 4pie r2
so the surface area of the earth is

4x3.14x7960(2)=316.27 miles or 272.64 km

is this correct



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