Scientific Notation

Scientific Notation

357000 1. Write the number

3.57000 2. Place decimal behind first integer (1-9)

3.57000x10 3. Write "x10"

3.57000x10 4. Count number of places you moved the decimal and place it as an exponent for 10

3.57x10 to the power of 5 5.Erae unnecessary zeroes

Note: Positive exponent for numbers lager than 1. Anegative exponent for numbers less than 1.

Examples Answers

1. 238000000 2.38x10 to the power of 8


2. 3907000000 3.907x10 to the power of 9


3. 0.00000209 2.09x10 to the power of -6


4. 0.0009007 9.007x10-4


5. 6.35x10 to the power of 7 63500000


6. 6.35x10 to the power of -7 0.000000635

A dozen =12

A couple =2

A century =100

A millenium =1000

A decade =10

A mole = 6.02x10 to the power of 23

These are Avogadio's number