Transcript SCIENTIFIC NOTATION

SCIENTIFIC
NOTATION
PG 731
USED FOR VERY LARGE OR
SMALL NUMBERS
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HOW IT WORKS
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MOVE THE DECIMAL POINT TO THE RIGHT
OF THE FIRST NATURAL NUMBER BETWEEN
1 AND 9
COUNT THE SPACES THE DECIMALL POINT
WAS MOVED
MOVING THE DECIMAL TO THE LEFT IS (+)
AND TO THE RIGHT IS (-)
EXAMPLES
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400,000,000
.0000023
312,400
.0042900
8.6 X 109
1.456 X 10-6
TO MULTIPLY
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CHANGE TO SCIENTIFIC NOTATION
MULTIPLY THE NATURAL NUMBERS AS
USUAL
ADD THE EXPONENTS
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EXAMPLE
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8,000,000 X 2,000
TO DIVIDE
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CHANGE TO SCIENTIFIC NOTATION
DIVIDE THE NATURAL NUMBERS AS
USUAL
SUBTRACT THE EXPONENTS
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EXAMPLE
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8,000,000 / 2,000