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Flauer [41]
2 years ago
11

Antonio writes the equation 80.4 ÷ d = 0.0804.

Mathematics
1 answer:
Svetradugi [14.3K]2 years ago
3 0

Answer:

B

Step-by-step explanation:

Because

A)

80.4 \div   {10}^{2}  = 0.8.4

B)

80.4 \div 10^{3}  = 0.0804

C)

80.4 \div  {10}^{4}  = 8.04 \times {10}^{ - 3}

D)

80.4 \times  {10}^{5}  = 8.04 \times  {10}^{ - 4}

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Answer:


Step-by-step explanation:

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2 years ago
11 chocolate bars cost 10 dollars
inna [77]

I'm not sure what you're trying to ask, but if you're trying to find the individual cost;

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Explanation: The quotient of 10 and 11 is 0.90909090909, which rounds into 0.91

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A coin is biased to display heads 75% of the time . It’s tossed 20times and the out comes are recorded the most improbable simul
Sergio [31]

Multiply the number of tosses by the percent of heads:

20 tosses x 0.75 = 15

The answer is 15.

7 0
2 years ago
Which expressions are equivalent to 6 (–x) 2x (–7) 2x? Check all that apply. X x 6 – 7 x 2x 2 x 3 – x 2x – 4 2x x – 1 x 1.
qaws [65]

Equivalent expression is the expression which is equal to the original equation but the way of representation is different. The equivalent expression of the given expression are,

x+x+6-7+x

3-x+2x-4+2x=3x-1

Given information

The given expression in the problem is,

6+(-x)+2x+(-7)+2x

<h3>Equivalent expression</h3>

Equivalent expression is the expression which is equal to the original equation but the way of representation is different.

The given equation is,

6+(-x)+2x+(-7)+2x

As the product of the negative and positive is negative. Thus solve the equation by opening the bracket.

6+(-x)+2x+(-7)+2x=6-x+2x-7+2x\\&#10;6+(-x)+2x+(-7)+2x=-x+2x+2x+6-7\\&#10;6+(-x)+2x+(-7)+2x=3x-1

Check all the option,

  • 1) The expression given in the option 1 is,

x+x+6-7+x

Solve it further,

x+x+6-7+x=x+x+x+6-7\\&#10;x+x+6-7+x=3x-1\\

The result is equal to the result of the given expression. Thus the expression of the option 1 is equivalent to the expression given in the problem.

  • 2) The expression given in the option 2 is,

2x+2+x

Solve it further,

2x+2+x=2x+x+2\\2x+2+x=3x+2

The result is not equal to the result of the given expression. Thus the expression of the option 2 is not equivalent to the expression given in the problem.

  • 3) The expression given in the option 3 is,

3-x+2x-4+2x

Solve it further,

3-x+2x-4+2x=3x-1

The result is equal to the result of the given expression. Thus the expression of the option 3 is equivalent to the expression given in the problem.

  • 4) The expression given in the option 4 is,

x-1

The expression of the option 4 is not equivalent to the expression given in the problem.

  • 5) The expression given in the option 4 is,

x+1

The expression of the option 5 is not equivalent to the expression given in the problem.

Hence the equivalent expression of the given expression are,

x+x+6-7+x

3-x+2x-4+2x=3x-1

Learn more about the equivalent expression here;

brainly.com/question/10628562

7 0
2 years ago
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Express 0.4 as a percent
r-ruslan [8.4K]

The answer is 40%. You are welcome.

7 0
3 years ago
Read 2 more answers
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