Subtract 2.34 from 12.79.

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Solution

Let's subtract 12.79 - 2.34:

Step 1: Align the decimal numbers according to their place values one below the other.
$T O . t h$
$12.79 - 2.34 - - - - - -$

Step 2: Subtract the numbers in the column from the right.

If needed, borrow a group of ten from the column to the left.
Finally, place the decimal point of the sum vertically below the other decimal points.

$∴ 12.79 - 2.34 = 10.45$

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Question 13

$10 - x$ means

(a) 10 is subtracted $x$ times.

(b) $x$ is subtracted 10 times.

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Question 13

$10 - x$ means

(a) 10 is subtracted $x$ times.

(b) $x$ is subtracted 10 times.

(d) 10 is subtracted from $x$ .

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