Add:

9.09, 0.909, 99.9, 9.99, 0.099

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Solution

Converting the given decimals into like decimals, we get:
9.090, 0.909, 99.900, 9.990 and 0.099
Writing these decimals in column form and adding, we get:

Hence, the sum of the given decimals is 119.988.

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Similar questions

Find the empirical formula of the compound containing 54.57% carbon and 9.09% hydrogen and the rest being oxygen.

Q. A solution is prepared by dissolving 10 g of salt in 100 g of water. Calculate the mass percentage of the solution.

A solution contains 50 g of common salt in 400 g of water. Calculate the concentration by mass percentage of the solution.

On analysis, a substamnce was found to contain;
C = 54. 54% H= 9.09 % O = 36.36 %
The vapour density fo the substance is 44, calculate:
(a) its empirical formula, (b) its molecular formula.

Q. A compound has the following percentage composition by mass:
Carbon - 54.55%, Hydrogen - 9.09% and Oxygen - 36.26%. Its vapour density is 44. Find the Empirical and Molecular formula of the compound. (H = 1; C = 12; O = 16).

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Add: 9.09, 0.909, 99.9, 9.99, 0.099

Converting the given decimals into like decimals, we get: 9.090, 0.909, 99.900, 9.990 and 0.099 Writing these decimals in column form and adding, we get: Hence, the sum of the given decimals is 119.988.

Add:

9.09, 0.909, 99.9, 9.99, 0.099

Converting the given decimals into like decimals, we get:
9.090, 0.909, 99.900, 9.990 and 0.099
Writing these decimals in column form and adding, we get:

Hence, the sum of the given decimals is 119.988.