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Middle School Math
Mathematik
Middle School Math
Dezimalzahlen

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 Name _____________________________ Date ___________________
Dezimalzahlen
Ganze.

 1 * Dies ist ein vorgefertigtes Arbeitsblatt.Verwenden Sie den Link oben auf der Seite für eine druckbare Seite.
 2 If the area of a square that has side lengths of 9.6 x 102cm is decreased by23%, what is the new side length? Express your answer using scientific notation.
 3 Nanotechnology is an exciting field concerned with very tiny machines. A new technique pioneered by Small World, Inc., can produce some exceedingly small levers that are triangular in shape. The new nanotriangles are right triangles with a base of120nm and a height of30nm. What is the area (in m2) of such a small triangle? Express you answer using scientific notation.
 4 Hunter gave John a challenge. "I think I can write the number one hundred forty million using fewer zeros than you," said Hunter. "I don't think so," replied John. In the end it was a draw (Hunter was wrong). How did they do it using only one zero?
 5 If 6.4 x 109pieces of sand are combined with 4.8 x 109pieces of sand, how many pieces of sand are there all together?
 6 Rebecca is observing some rather small bacteria using an electron microscope. She sees that these particular bacteria grow in chains with each cell being about 4 x 10-7m in length. If the average chain length is8cells long, on average how long is each chain of cells?

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edHelper Abonnenten - Erstellen Sie einen neuen Ausdruck
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