Multiply Decimals 3

Years

Year 8

Decimals

Multiply Decimals

Multiply Decimals 3

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Question 1 of 4

1. Question
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$8 \times 0.009$ $8xx0.009$
- (0.072)
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First, ignore the decimal points of the two values and multiply them

$0.009$ $0.009$ $=$ $=$ $9$ $9$

$8 \times 9$ $8xx9$ $=$ $=$ $72$ $72$

Next, count how many place values from the decimal point to the right of the two factors.

$0.009 =$ $0.009 =$ $3 places$ $3 \text(places)$

There is a total of $3$ $3$ place value movements to the right of the decimal point.

Finally, get the final product by moving the decimal point of the initial product $3$ $3$ places to the left.

Therefore, the final product is $0.072$ $0.072$ .

$0.072$ $0.072$
Question 2 of 4

2. Question
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$70 \times 0.04$ $70xx0.04$
- (2.8)
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First, ignore the decimal points of the two values and multiply them

$0.04$ $0.04$ $=$ $=$ $4$ $4$

$70 \times 4$ $70xx4$ $=$ $=$ $280$ $280$

Next, count how many place values from the decimal point to the right of the two factors.

$0.04 =$ $0.04 =$ $2 places$ $2 \text(places)$

There is a total of $2$ $2$ place value movements to the right of the decimal point.

Finally, get the final product by moving the decimal point of the initial product $2$ $2$ places to the left.

Therefore, the final product is $2.8$ $2.8$ .

$2.8$ $2.8$
Question 3 of 4

3. Question
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$13.65 \times 0.003$ $13.65xx0.003$
- (0.04095)
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First, ignore the decimal points of the two values and multiply them

$13.65$ $13.65$ $=$ $=$ $1365$ $1365$

$0.003$ $0.003$ $=$ $=$ $3$ $3$

$1365 \times 3$ $1365xx3$ $=$ $=$ $4095$ $4095$

Next, count how many place values from the decimal point to the right of the two factors.

$13.65 =$ $13.65 =$ $2 places$ $2 \text(places)$

$0.003 =$ $0.003 =$ $3 places$ $3 \text(places)$

There are a total of $5$ $5$ place value movements to the right of the decimal point.

Finally, get the final product by moving the decimal point of the initial product $5$ $5$ places to the left.

Therefore, the final product is $0.04095$ $0.04095$ .

$0.04095$ $0.04095$
Question 4 of 4

4. Question
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$87.5 \times 0.8$ $87.5xx0.8$
- (70)
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First, ignore the decimal points of the two values and multiply them

$87.5$ $87.5$ $=$ $=$ $875$ $875$

$0.8$ $0.8$ $=$ $=$ $8$ $8$

$875 \times 8$ $875xx8$ $=$ $=$ $7000$ $7000$

Next, count how many place values from the decimal point to the right of the two factors.

$87.5 =$ $87.5 =$ $1 place$ $1 \text(place)$

$0.8 =$ $0.8 =$ $1 place$ $1 \text(place)$

There are a total of $2$ $2$ place value movements to the right of the decimal point.

Finally, get the final product by moving the decimal point of the initial product $2$ $2$ places to the left.

Therefore, the final product is $70$ $70$ .

$70$ $70$

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Quiz summary

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1. Question

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2. Question

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3. Question

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4. Question

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Quizzes

$13.65$ $13.65$	$=$ $=$	$1365$ $1365$
$0.003$ $0.003$	$=$ $=$	$3$ $3$

$87.5$ $87.5$	$=$ $=$	$875$ $875$
$0.8$ $0.8$	$=$ $=$	$8$ $8$