Subtracting Numbers With Exponents
This article is about subtracting numbers with exponents
,otherwise known as the difference of the two numbers. When subtracting a number from higher number to lower number, the numbers contain powers which is said to be subtracting number with exponent. When subtracting numbers we use the sign as minus.
Example for subtracting a numbers with exponents:
5'xx' 3^2-4'xx' 3^2.
Here the exponents should be mentioned in powers, simplifying the powers and multiplying with the numbers.
Problems Involving Subtracting a Numbers with Exponents:
Simplify and subtracting a numbers with exponents.
Problem (i) 6'xx' 4^2 -5'xx' 4^2.
Solution:
Subtracting a number with exponents, the exponent is 4^2.
= 6'xx' 4^2 -5'xx' 4^2
= 6'xx' 16-5'xx' 16 here 4^2 is 16 multiply with the function
= 96 80. here 6into 16 is 96 and 5 into 16 is 80.
= 96-80
16 is the answer for subtracting a numbers with exponents of 6*4^2 -5*4^2.
Problem (ii) 7'xx' 3^2 -5'xx' 3^2.
Solution:
Subtracting a number with exponents, the exponent is 3^2.
= 7'xx' 3^2 -5'xx' 3^2.
= 6'xx' 9-5'xx' 9 here 3^2 is 9 multiply with the function
= 54 45. here 6 into 9 is 45 and 5 into 9 is 45.
= 54-45
= 9 is the answer for subtracting a numbers with exponents of 7'xx' 3^2 -5'xx' 3^2.
Problem (ii) 8'xx' 2^2 -6'xx' 2^2.
Solution:
Subtracting a number with exponents, the exponent is 2^2.
=8'xx' 2^2 -6'xx' 2^2.
=6'xx' 4 - 5'xx' 4 here 2^2 is 4 multiply with the function
=24 20. here 6 into 4 is 24 and 5 into 4 is 20.
=24-20
= 4 is the answer for subtracting a numbers with exponents of 8'xx' 2^2 -6'xx' 2^2
Problems Involving Subtracting a Numbers with Exponents
Simplify and subtracting a numbers with different exponents.
Problem (i) 7'xx' 2^2-5'xx' 3
Solution:
Subtraction a number with different exponents of 2 and 3.
=7'xx' 2^2-5'xx' 3
=7'xx' 2^2-5'xx' 3 here 2^2 is 4 .
=7'xx' 4 5'xx' 3.
=28-15.
=13 is the answer for subtracting a numbers with different exponents of 7'xx' 2^2-5'xx' 3
Simplify and subtracting a numbers with different exponents.
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Problem (ii) 8'xx' 4^2-9'xx' 23
Solution:
Subtraction a number with different exponents of 2 and 3.
=8'xx' 4^2-5'xx' 23
=8'xx' 4^2-5'xx' 23 here 4^2 is 16 and 23 is 8 .
=8'xx' 16 5'xx' 8.
=128 - 40.
=88 is the answer for subtracting a numbers with different exponents of 8'xx' 4^2-9'xx' 23
by: johnharmer
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