Review of Introductory Mathematics
SCIENTIFIC NOTATION
Step 2:
9.24 x 104
+0.83 x 104
Step 3:
10.07 x 104 = 1.007 x 105
Subtraction
In order to subtract two numbers in scientific notation, the steps listed below must be followed.
Step 1:
As in addition, change all addends to have the same power of ten.
Step 2:
Subtract one digit from the other and keep the power of ten.
Step 3:
If necessary, rewrite the decimal with a single number to the left of the
decimal point.
Example:
Subtract (3.27 x 104) - (2 x 103)
Solution:
Step 1:
3.27 x 104 = 3.27 x 104
2.00 x 103 = 0.20 x 104
Step 2:
3.27 x 104
-0.20 x 104
Step 3:
3.07 x 104
Multiplication
When multiplying two or more numbers in scientific notation, the following steps must be used.
Step 1:
Multiply the decimal numbers and obtain the product.
Step 2:
Multiply the powers of ten together by adding the exponents.
Step 3:
Put the product in single-digit scientific notation.
Step 4:
If necessary, rewrite decimal with a single number to the left of the
decimal point.
Rev. 0
Page 71
MA-01
