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Lubov Fominskaja [6]
3 years ago
11

Fill in the blank.(5x)2=___ x2

Mathematics
1 answer:
Anna [14]3 years ago
8 0

Answer:

5 is the answer

because it is commutative property

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what is the example of a product that will have the same number of zeros in the factors and the products? what is one example of
Natalka [10]

Answer:

  • same: 30×40 = 1200
  • different: 20×50 = 1000

Step-by-step explanation:

Same: 30×40 = 1200 . . . . . 2 zeros in the factors; 2 in the product

Different: 20×50 = 1000 . . . 2 zeros in the factors; 3 in the product

__

Same: 0.3×0.4 = 0.12 . . . . no zeros in the factors; no zeros in the product

Different: 0.2×0.4 = 0.08 . . . no zeros in the factors; 1 zero in the product after the decimal point

_____

For a product, the number of zeros will be different if the combined factors of the numbers increase the number of factors of 10 beyond the sum of the factors of 10 of the numbers being multiplied.

<u>Example</u>: neither 2 nor 5 has a factor of 10, but their product does.

__

For a product that is a decimal fraction, the number of leading zeros will increase if the product of the mantissas of the numbers is less than 10. The number of trailing zeros will increase under the conditions discussed above. (0.25×0.4 = 0.100)

_____

<em>Additional comment</em>

Here, the term "mantissa" is used to refer to the portion of the number written in scientific notation that multiplies the power of 10.

3 0
3 years ago
Find the solutions of 6(2-7x)+x(7x-2=0)
azamat
6(2-7x)+x(7x-2)=0

Use distributive property: a(b - c) = ab - ac

(6)(2)-(6)(7x)+(x)(7x)-(x)(2)=0\\\\12-42x+7x^2-2x=0\\\\7x^2-44x+12=0\\\\7x^2-42x-2x+12=0\\\\7x(x-6)-2(x-6)=0\\\\(x-6)(7x-2)=0\iff x-6=0\ \vee\ 7x-2=0\\\\x-6=0\ \ \ |+6\\\\x=6\\\\7x-2=0\ \ \ |+2\\\\7x=2\ \ \ |:7\\\\x=\dfrac{2}{7}

Answer:\ x=6\ \vee\ x=\dfrac{2}{7}
8 0
3 years ago
You work on a problem calculating either area or volume. Your answer is 210 ft3. Did you work on an area or volume problem?
Contact [7]
Area should be the answer
4 0
3 years ago
Read 2 more answers
Do you think that civilians should be targeted in warfare? Why or why not?
jasenka [17]

When countries are at war, the general rule is that civilians should not be targeted and I <u>support </u>this notion.

<h3>The Concept of War</h3>
  • War is fought by nations to assert dominance and achieve certain conditions.
  • War is fought by soldiers who pick of weapons to engage in war.

Civilians should therefore not be targeted because they have not picked up weapons to engage in the fight and so cannot be said to be targets. It makes no sense to leave the person you are fighting and who wants to fight you, to fight those who are not interested in fighting.

In conclusion, civilians should not be targeted.

Find out more on targeting civilians at brainly.com/question/261234.

6 0
2 years ago
You are a cashier at a coffee shop. A customer buys a coffee that costs $5.50 and gives you a $10 bill. How much change should y
jeka57 [31]

Answer:

B: $4.50

Step-by-step explanation:

Simply subtract 5.50 from 10

10-5.50=4.50

Hope this helps! Plz award Brainliest : )

7 0
3 years ago
Read 2 more answers
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