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lina2011 [118]
3 years ago
10

Simplify (4^3)^5 - - - - -

Mathematics
2 answers:
MissTica3 years ago
6 0

Answer:

\large\boxed{(4^3)^5=4^{15}}

Step-by-step explanation:

\text{Use}\ (a^n)^m=a^{nm}\\\\(4^3)^5=4^{(3)(5)}=4^{15}

Slav-nsk [51]3 years ago
5 0

Step-by-step explanation: Here we have the number  (4^3)^5.

We can use the relationship: (x^{a} )^{b} = x^{a*b}

so our number can be written as: (4^{3}) ^{5} = 4^{3*5} = 4^{15}.

But you can simplify it further!

we know that 4 = 2^{2}, then 4^{15} = (2^{2}) ^{15} = 2^{2*15} = 2^{30}

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5 0
2 years ago
How do I solve these problems?
lesya [120]

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5 0
3 years ago
Nana has a water purifier that filters \dfrac13 3 1 ​ start fraction, 1, divided by, 3, end fraction of the contaminants each ho
Fiesta28 [93]

Given:

Nana has a water purifier that filters \dfrac{1}{3} of the contaminants each hour.

Water has contaminants = \dfrac{1}{2}

To find:

The function that gives the remaining amount of contaminants in kilograms, C(t), t hours after Nana started purifying the water.

Solution:

Let C(t) be the remaining amount of contaminants in kilograms after t hours.

Initial amount of contaminants = \dfrac{1}{2}

Decreasing rate is \dfrac{1}{3} .

Using the exponential decay model:

C(t)=C_0(1-r)^t

where, C_0 is initial amount of contaminants, r is the decreasing rate and t is time in hours.

Substituting the values, we get

C(t)=\dfrac{1}{2}(1-\dfrac{1}{3})^t

C(t)=\dfrac{1}{2}(\dfrac{2}{3})^t

Therefore, the required function is C(t)=\dfrac{1}{2}(\dfrac{2}{3})^t.

4 0
3 years ago
What does x represent in y = mx + b ?
FinnZ [79.3K]

Answer:

In the equation of a straight line (when the equation is written as "y = mx + b"), the slope is the number "m" that is multiplied on the x, and "b" is the y-intercept (that is, the point where the line crosses the vertical y-axis). This useful form of the line equation is sensibly named the "slope-intercept form".

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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