Answer:
It moved because of this:
Step-by-step explanation:
the number 10 has one 0 in it.
you move the decimal place over how many times depending on how many 0s there are, so because there is <u>one</u><u> </u>0 in 10, you move it over <u>once</u>.
hope this helped!
Answer:
-21
Step-by-step explanation:
1-2+4-8+16-32
=-21
Answer:
50% increase
Step-by-step explanation:
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