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Addition of Decimals

. Add the fol...

Question

Question 110.
Add the following.
20.02 and 2.002

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Solution

20.02 and 2.002 are unlike decimals as they don't have an equal number of digits after the decimal.

Converting the given decimals to like decimals, we have 20.020 and 2.002.
Now, $\begin{matrix} 20.020 + 2.002 - ------ - 22.022 - ----- - \end{matrix}$

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Similar questions

Q. Which of the following is the correct order?
(a) 2.2 < 2.02 < 2.002 < 2.222
(b) 2.002 < 2.02 < 2.2 < 2.222
(c) 2.02 < 2.22 < 2.002 < 2.222
(d) none of these

Q. Convert the following into fractions.
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0.008

0.01

5.809

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Q. In the following questions the following rules have been applied to the same set of numbers In every question find out which of the rules viz (1), (2), (3), (4) and (5) have been applied
Rules:
(1) Subtract thrice the number from its cube
(2) Multiply the number by 7 and subtract 3 from the result
(3) Add the number to its square
(4) Divide the number by 2 and add the square of the quotient to the number
(5) Multiply the number by 5 and add 5 to the result
20, 42, 72, 110

Question 57 (f)

Add the following expression:

$p^{2} q r + p q^{2} r + p q r^{2} a n d - 3 p q^{2} r - 2 p q r^{2}$

Question 57 (e)

Add the following expression:

$x^{3} y^{2} + x^{2} y^{3} + 3 y^{4} a n d x^{4} + 3 x^{2} y^{3} + 4 y^{4}$

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Addition of Decimals

Standard VI Mathematics

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