Power Operation
Power operation is topic of algebra in Math. It is use to represent repeated multiplication. Very big number and very small number can be easily express using power operation. Power operation is useful in many fields. In space engineering, it helps in representing the distance or size of particular heavenly body. In medical field, it is used to represent very small size. In medical field it helps to mention size of bacteria or virus.
Exponents
The exponent or power or index of a variable/number is the number of times that variable/number is multiplied by itself.
2) Calculate
a) 33/4 x (1 1/6) ÷ 13/4 =
b) Solve 3(x – 5) = (2x – 1)
5 3
3) a) i) Calculate the simple interest earned on a investment of $ 700,000
after 8 years at a rate of 5 %.
ii) Calculate the time needed on an investment of $400,000 to gained
an interest of $80,000 if the interest rate is 2%.
b) 3 glass blocks and 2 clay blocks weigh 48 lbs.
5 glass blocks and 3 clay blocks weigh 76 lbs.
What is the weight of each item?
4) a) 10 samples of different publishers are on display at a book store customers.
Customers are told that they can choose any 4 samples for free.
How many different selections can a customer make?
b) How many different arrangement that they can make with the letters of the words
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