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4 years ago

Explain how to use estimation to help find the product of two decimals. Give one example with both estimated and actual answers.

2 answers:

7 0

2.4 * 1.7....for estimation, round ur numbers to the nearest whole number

estimation : 2 * 2 = 4
actual : 2.4 * 1.7 = 4.08

NeTakaya4 years ago

4 0

If two decimals are too long, then u can use estimation.
For example: 3.666666666... x 3.14259...
They can be estimated to: 3.67 x 3.14
And then the answer will be: 11.5238
brainiest pls!

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Dog A barks 20 times in 2 minutes, Dog B barks 45 times in 5 minutes, and Dog C barks 66 times in 6 minutes. Which dog barks the

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Answer:

Dog C barks the most times per minute.

Step-by-step explanation:

Dog A barks 10 times per minute. 20/2 = 10

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11 is greater than 10 and 9, therefore, Dog C barks the most.

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3 years ago

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3 years ago

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melomori [17]

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3 years ago

Andrea bought 1 2/5 pounds of avocados at $4.20 per pound and 2 1/

guapka [62]

Answer:

$14.43¢

Step-by-step explanation:

We are given; $1\frac{2}{5}$ pounds, 1 pound = $4.20 and $2\frac{1}{4}$ pounds,1 pound = $3.80 that Andrea bought.

Now we need to find her total cost. To do that, we must first find the cost of the avocados. To do so, let us set up a graph. But before that is done, convert $1\frac{2}{5}$ to a decimal. It is 1.4. Now we can set up a graph.

Avocados

$\frac{4.2}{1}=\frac{x}{1.4}$

Switch sides

$\frac{x}{1.4}=\frac{4.2}{1}$

Apply rule: $\frac{a}{1}=a$

$\frac{x}{1.4}=4.2$

Multiply both sides by 1.4

$\frac{1.4x}{1.4}=4.2\cdot \:1.4$

Simplify

$x=5.88$

So, her cost for avocados is $5.88¢

Now we must first find the cost of the avocados. To do so, let us set up a graph. But before that is done, convert $2\frac{1}{4}$ to a decimal. It is 2.25. Now we can set up a graph.

Asparagus

$\frac{3.8}{1}=\frac{x}{2.25}$