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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.
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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?



Answer Key


Sample
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edHelper Abonnenten - Erstellen Sie einen neuen Ausdruck
Die Lösung enthält auch die Fragen
Die Lösung gibt nur die Antworten
Keine Lösung
Not a subscriber?  Sign up now for the subscriber materials!

Middle School Math
Mathematik
Middle School Math
Dezimalzahlen

This worksheet still contains English.
edHelper is working on the translation