Chemistry Examples

$19.5 - 17.8$

Step 1

Subtract using long subtraction.

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Step 1.1

Set up the subtraction problem in long subtraction format.


	$1$	$9$	.	$5$	$0$	$0$
$-$	$1$	$7$	.	$8$
			.

Step 1.2

Subtract $0$ from $0$ .


	$1$	$9$	.	$5$	$0$	$0$
$-$	$1$	$7$	.	$8$
			.			$0$

Step 1.3

Subtract $0$ from $0$ .


	$1$	$9$	.	$5$	$0$	$0$
$-$	$1$	$7$	.	$8$
			.		$0$	$0$

Step 1.4

Borrow $10$ from the digit in the next column to the left. Add the borrowed $10$ to $5$ . Reduce the number that was borrowed from by $1$ .

		$8$		$15$
	$1$	$9$	.	$5$	$0$	$0$
$-$	$1$	$7$	.	$8$
			.		$0$	$0$

Step 1.5

Subtract $8$ from $15$ .

		$8$		$15$
	$1$	$9$	.	$5$	$0$	$0$
$-$	$1$	$7$	.	$8$
			.	$7$	$0$	$0$

Step 1.6

Subtract $7$ from $8$ .

		$8$		$15$
	$1$	$9$	.	$5$	$0$	$0$
$-$	$1$	$7$	.	$8$
		$1$	.	$7$	$0$	$0$

Step 1.7

Subtract $1$ from $1$ .

		$8$		$15$
	$1$	$9$	.	$5$	$0$	$0$
$-$	$1$	$7$	.	$8$
	$0$	$1$	.	$7$	$0$	$0$

		$8$		$15$
	$1$	$9$	.	$5$	$0$	$0$
$-$	$1$	$7$	.	$8$
	$0$	$1$	.	$7$	$0$	$0$

Step 2

The result of $19.5 - 17.8$ is $1.7$ .

$1.7$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$