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user100 [1]
2 years ago
9

3^4 expanded form please help

Mathematics
2 answers:
SpyIntel [72]2 years ago
5 0

Answer:

81

Step-by-step explanation:

3 * 3 * 3 * 3

= 9 * 3 * 3

= 27 * 3

= 81

grin007 [14]2 years ago
5 0

Answer: 3^4 =3*3*3*3=81

Step-by-step explanation: 3^4 =3*3*3*3.(Note: the power, 4, shows how many times 3 multiplies itself)

Hope it helps!

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118

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2 years ago
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I need extra help please, -7y^2-2y^2+y^3y-2y+5y^3-2y
joja [24]

Answer:

How to solve your problem

−

7

2

−

2

2

+

3

−

2

+

5

3

−

2

-7y^{2}-2y^{2}+y^{3}y-2y+5y^{3}-2y

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Simplify

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−

7

2

−

2

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+

3

−

2

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5

3

−

2

-7y^{2}-2y^{2}+{\color{#c92786}{y^{3}y}}-2y+5y^{3}-2y

−7y2−2y2+y3y−2y+5y3−2y

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7

2

−

2

2

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4

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2

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5

3

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2

-7y^{2}-2y^{2}+{\color{#c92786}{y^{4}}}-2y+5y^{3}-2y

−7y2−2y2+y4−2y+5y3−2y

2

Combine like terms

−

7

2

−

2

2

+

4

−

2

+

5

3

−

2

{\color{#c92786}{-7y^{2}}}{\color{#c92786}{-2y^{2}}}+y^{4}-2y+5y^{3}-2y

−7y2−2y2+y4−2y+5y3−2y

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9

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4

−

2

+

5

3

−

2

{\color{#c92786}{-9y^{2}}}+y^{4}-2y+5y^{3}-2y

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−

9

2

+

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−

2

+

5

3

−

2

-9y^{2}+y^{4}{\color{#c92786}{-2y}}+5y^{3}{\color{#c92786}{-2y}}

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9

2

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4

−

4

+

5

3

-9y^{2}+y^{4}{\color{#c92786}{-4y}}+5y^{3}

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Rearrange terms

−

9

2

+

4

−

4

+

5

3

{\color{#c92786}{-9y^{2}+y^{4}-4y+5y^{3}}}

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5

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−

4

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+

5

3

−

9

2

−

4

3 0
2 years ago
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pantera1 [17]

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<u>Step-by-step explanation:</u>

"a" represents the vertical stretch <em>(or shrink)</em>

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"k" represents the y-coordinate of the vertex

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F(x) = 3|x - 2| - 5

G(x) = 3(x - 2 + 4| - 5 - 3

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6 0
3 years ago
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vaieri [72.5K]

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where the right endpoint of the i-th subinterval is given by the sequence

r_i = \dfrac{3i}n

for i\in\{1,2,3,\ldots,n\}.

Then the definite integral is given by the infinite Riemann sum

\displaystyle \int_0^3 2x^2 \, dx = \lim_{n\to\infty} \sum_{i=1}^n 2{r_i}^2 \Delta x \\\\ ~~~~~~~~ = \lim_{n\to\infty} \frac6n \sum_{i=1}^n \left(\frac{3i}n\right)^2 \\\\ ~~~~~~~~ = \lim_{n\to\infty} \frac{54}{n^3} \sum_{i=1}^n i^2 \\\\ ~~~~~~~~ = \lim_{n\to\infty} \frac{54}{n^3}\cdot\frac{n(n+1)(2n+1)}6 = \boxed{18}

8 0
1 year ago
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