Exponential Numbers
What is exponential numbers
Exponential notation is an alternative method of expressing numbers.
What is power
What is base
how can we read exponential numbers
example: n
a
we read a
to the power of n
in the same example a is base
in the same example n is power
in the expression 5 power of 3. This means 5.5.5
positive power of zero
all positive numbers power 0 is equal 1
0 power of 0 is indetermine
(-1) power n = -1
if n is an odd integer.
(-1) power n =1
if n is an even integer.
You can multiply powers with the same base by adding the exponents. :
You can divide powers with the same base by subtracting the exponents.
You can multiply numbers with same exponents by multiplying the bases.
You can divide numbers with same exponents by dividing the bases.