module 8.1 lesson introduction to scientific notation
TRANSCRIPT
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Module 8.1
Introduction to Scientific Notation
HWModule Page 42 #1-8 and Page 43 #17-24
Do Now:What does your calculator say when you enter:
4100
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Rule: A number is in scientific notation if:
1) The first factor is a single digit followed by a decimal point
2) Times the second factor which is a power of 10.
1 x 10 8 1.54 x 11 9.99 x 10 5 3.675 x 10 5
Closing:
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Scientific Notation à Standard Form
Rule:Step 1: Move decimal point the number of places indicated by the exponent.Step 2:
If Positive exponent: Move decimal point Right(Whole number make the number larger)
If Negative exponent: Move decimal point Left(Decimal make the number smaller)
Standard Form à Scientific Notation
Rule:Step 1: Write the number placing the decimal point after the first nonzero digit
Step 2: Write x 10
Step 3: Count the number of digits you moved the decimal point and write it as the exponent
Closing: