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Mnenie [13.5K]
2 years ago
10

Simplify 2y^4x5y^3 pleaseeeeeeeeeeeee

Mathematics
1 answer:
Setler [38]2 years ago
7 0
10y^2 times 4x times 3
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Evaluate 4 + (-2) - (-3) – 6.
fgiga [73]

Answer:

Step-by-step explanation:

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2 years ago
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Apply the laws of exponents, calculate the result and express the result in scientific notation, and as a decimal: (8.1*10^-4)^2
AfilCa [17]
<h3>Answer:</h3>
  • the result in scientific notation is 6.561×10⁻⁷
  • the result as a decimal is 0.000 000 656 1
<h3>Explanation:</h3>

The rules of exponents say the exponent outside parentheses applies to each factor inside parentheses.

... (8.1*10^-4)^2 = 8.1^2 × (10^-4)^2

... = 65.61 × 10^-8

... = 6.561 × 10^-7 . . . . adjust to scientific notation with one digit left of the decimal point

The exponent of -7 means the decimal point in the decimal number is 7 places to the left of where it is in scientific notation. That is ...

... 6.561 × 10^-7 = 0.0000006561

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3 years ago
A student gets paid to deliver newspapers after school. She earns 25$ a day, plus an extra $0.75 for each newspaper she delivers
disa [49]
Earnings = 25d + 0.75n + 5c
6 0
2 years ago
What is the slope of the line that passes through the points (1,7) and (-4,-8)?
Aleksandr [31]

Answer:

D. 3

Step-by-step explanation:

To find the slope of a line, we can use the equation y2-y1/x2-x1=m or slope.

All we can do now is insert the values of the points into the equation.

-8-7/-4-1=m

-15/-5=m

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Thus, the slope is 3.

Hope this helps!

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2 years ago
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pls pls pls, I beg you to answer this question only if you know the correct answer please please please I beg you
UkoKoshka [18]

Answer:

the first question id k

20. d

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last question i also dont know

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2 years ago
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