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3 years ago

What is a counterexample for the conjecture?

1 answer:

8 0

2 * 1 = 2
2 + 1 = 3

here the product is less than the sum so the conjecture is not true for these 2 numbers so its not true for all positive numbers.

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Which shows the following expression after the negative exponents have been eliminated?

belka [17]

Answer:

The given expression $\frac{a^3}{ab^{-4}}$ after the negative exponents have been eliminated becomes $\frac{a^3b^{4}}{ab^{2}}$

Step-by-step explanation:

Given expression $\frac{a^3b^{-2}}{ab^{-4}}$

We have to write expression after the negative exponents have been eliminated and a ≠ 0 and b ≠ 0.

Consider the given expression $\frac{a^3b^{-2}}{ab^{-4}}$

We have to eliminate the negative exponents,

Using property of exponents, $x^{-m}=\frac{1}{x^m}$ we have ,

$b^{-2}=\frac{1}{b^2} \\\\b^{-4}=\frac{1}{b^4}$

Substitute, we get,

$\frac{a^3}{ab^{-4}}$ becomes $\frac{a^3b^{4}}{ab^{2}}$

Thus, the given expression $\frac{a^3}{ab^{-4}}$ after the negative exponents have been eliminated becomes $\frac{a^3b^{4}}{ab^{2}}$

5 0

3 years ago

Read 2 more answers

By what can you divide 66 and 72

pashok25 [27]

Answer:

You can divide them both by two and three.

Step-by-step explanation:

7 0

3 years ago

3.8y+4/7x+2=0 for y =?

tia_tia [17]

<span> y=(-4/7x-2)8/3 is the correct awnser to your question.</span>

6 0

3 years ago

Light travels at a speed of approximately Light travels at a speed of approximately 1,000,000,000 kilometers per second (621,118

Furkat [3]

The speed of light is 300,000 kilometers per hour. hence option c is correct.

According to the statement

we have to explain that the by how much speed the light travels.

So, Firstly

Light is the natural agent that stimulates sight and makes things visible.

and speed of light means that the distance covered by the light with respect to time.

So, it means those distance which is covered by the light with respect to time is called the speed of light.

The speed of light is measures in km, meters and in other units also.

And we can calculate the speed of light per hour or per minute or in other time measurements.

So, The speed of light is 300,000 kilometers per hour. hence option c is correct.

Learn more about speed of light here brainly.com/question/104425

#SPJ4

6 0

2 years ago

I don’t understand how to get the answer

vesna_86 [32]

128.1 / 92.5 * 100 = 140%

6 0

3 years ago

Read 2 more answers