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natka813 [3]
3 years ago
15

Evaluate 2^9 over 2^5

Mathematics
2 answers:
s2008m [1.1K]3 years ago
8 0

Answer:

2^4  or 16

Step-by-step explanation:

We know that a^b / a^c = a^(b-c)

2^9 / 2^5

2^(9-5)

2^4  or 16

-BARSIC- [3]3 years ago
4 0

Answer:

{2}^{4}  = 16

Step-by-step explanation:

\frac{ {2}^{9}  }{ {2}^{5} }  \\   {2}^{9 - 5}  \\ =   {2}^{4}  = 16

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Simplify
Diano4ka-milaya [45]

Answer:

\huge\boxed{\sqrt[4]{16a^{-12}}=2a^{-3}=\dfrac{2}{a^3}}

Step-by-step explanation:

16=2^4\\\\a^{-12}=a^{(-3)(4)}=\left(a^{-3}\right)^4\qquad\text{used}\ (a^n)^m=a^{nm}\\\\\sqrt[4]{16a^{-12}}=\bigg(16a^{-12}\bigg)^\frac{1}{4}\qquad\text{used}\ a^\frac{1}{n}=\sqrt[n]{a}\\\\=\bigg(2^4(a^{-3})^4\bigg)^\frac{1}{4}\qquad\text{use}\ (ab)^n=a^nb^n\\\\=\bigg(2^4\bigg)^\frac{1}{4}\bigg[(a^{-3})^4\bigg]^\frac{1}{4}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=2^{(4)(\frac{1}{4})}(a^{-3})^{(4)(\frac{1}{4})}=2^1(a^{-3})^1=2a^{-3}\qquad\text{use}\ a^{-n}=\dfrac{1}{a^n}

=2\left(\dfrac{1}{a^3}\right)=\dfrac{2}{a^3}

5 0
3 years ago
Find the value of x, which makes the area of this triangle equal 72.
Ghella [55]
Area of a triangle=1/2(base x height)
Area=72, Base=8, Height=2x-3
Plug it in.
72=1/2(8 x (2x-3))
72=1/2(16x-24)
72=8x-12
84=8x
x=10.5
5 0
3 years ago
Read 2 more answers
BRAINLIEST PLZ HELP it means a lot
Kamila [148]

Answer:

1, 3, and 4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
helppppppppp??????????????!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!????!>>>>>>>>>>>>>>&g
e-lub [12.9K]

Answer:

-(m-6)=3m+14

-m+6=3m+14

I would appreciate if my answer is chosen as a brainliest answer

6 0
2 years ago
Order the set of numbers from LEAST to GREATEST.
Alexeev081 [22]

A would be your answer.

(I am going to assume that the set of numbers are multiplied by exponents.)

To solve you just need to calculate each one. Note that for positive exponents you move the decimal point to the right and negative exponents you move the decimal point to the left.

2.7*10^{3}, 4.24*10^{-3} , 4.7*10^{2}, 4.3*10^{-2}

The first scientific notation would be equal to 2700 because you move the decimal point 3 places to the right, since the exponent is positive.

2.7*10^{3} =2700

The second scientific notation would be equal to 0.00424 because you move the decimal point 3 places to the left, since the exponent is negative.

4.24*10^{-3} =0.00424

The third scientific notation would equal 470 because you move the decimal point 2 places to the right, since the exponent is positive.

4.7*10^{2} =470

The last scientific notation would equal 0.043 because you move the decimal point 2 places to the left, since the exponent is negative.

4.3*10^{-2} =0.043

4 0
3 years ago
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