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choli [55]
3 years ago
14

Exponents! Help Please!

Mathematics
1 answer:
Rainbow [258]3 years ago
4 0
Ok, so just know some exponential laws
(ab)(cd)=(a)(b)(c)(d)=
(ab)/(cd)=(a/c)(b/d)
(x^m)^n=x^{mn}
(abc)^m=(a^m)(b^m)(c^m)
\frac{x^m}{x^n} =x^{m-n}
(x^m)(x^n)=x^{m+n}


5.
(3)(7)(y⁴)(y⁵)=21y⁹

7.
(b³)⁵=b¹⁵

9.
[(h⁵)³]⁷=[h¹⁵]⁷=h¹⁰⁵

11.
(-2xy³)⁵=(-2)⁵(x)⁵(y³)⁵=-32x⁵y¹⁵

13.
do the 2nd parenthasees first
(-2²y²)³=(-4y²)³=(-4)³(y²)³=-64y⁶
see rest
(3²x²y⁸)(-64)(y⁶)=(9)(x²)(y⁸)(-64)(y⁶)=-576x²y¹⁴

15.
\frac{a^2b^8}{ab^5}=( \frac{a^2}{a^1} )( \frac{b^8}{b^5} ) =ab^3
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m_a_m_a [10]
1/3 is the answer. Hope this helps
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3 years ago
Need help. and original answer
siniylev [52]

The inequality written in interval notation is therefore -4<x<-1  or (-4, -1)

<h3 /><h3>What are inequalities?</h3>

Inequalities are expressions separated by the mathematical inequalities ≤, ≥, < and >

For instance a < b is a form of inequality.

<h3>What is a number line?</h3>

A number line is a line on which numbers are marked at intervals, used to illustrate simple numerical operations.

From the given number line, we can see that closed circles are on -4 and -1. The inequality written in interval notation is therefore -4<x<-1  or (-4, -1)

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7 0
2 years ago
A valid license plate in Xanadu consists of two capital letters followed by three digits. How many valid license plates are poss
tatiyna

The  valid license plates are possible = 676,000 possibilities

<h3>What is permutation and combination?</h3>

In mathematics, there are two alternative methods for dividing up a collection of components into subsets: combination and permutation. The subset's components can be arranged in any sequence when used together. The subset's components are given in a permutation in a certain order.

<h3>According to the given information:</h3>

There is no prohibition on using the same letters or numbers more than once, therefore all 26 letters of the alphabet and all 10 numerals are permissible choices.

There are 26 options if the initial answer is A:

AA, AB, AC,AD,AE ...................................... AW, AX, AY, AZ.

There are 26 options if the initial answer is B:

BA, BB, BC, BD, BE .........................................BW, BX,BY,BZ

So,

The first letter can be one of 26 options, and the second letter can be one of 26 options. There are a variety of 2 letter combinations, including:

26 x 26 = 676

For the three digits, the same holds true.

The first, second, and third options each have ten options available:

10  × 10 × 10 = 1000

Thus, there are several options for a license plate with two letters and three digits:

26 x 26 x 10  × 10 × 10 =  676,000 possibilities.

The  valid license plates are possible = 676,000 possibilities.

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8 0
1 year ago
Фd —<br> 969 - 9<br> ХОТХЭ: <br> P
oee [108]

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5 0
3 years ago
WHAT IS THE ANSWER ?? PLEASE HELP !!
Jlenok [28]

Answer:

B. 43°

Step-by-step explanation:

Internal angles of the triangle are:

  • 180°-90°=90° and
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So It is a right triangle and the missing angle is:

  • p= 90°- 47°= 43°
8 0
3 years ago
Read 2 more answers
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