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marishachu [46]

4 years ago

11

can anyone answer all of the questions that are unanswered in the picture below.plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz answer

it correctly.

1 answer:

yarga [219]4 years ago

5 0

Top left is 54

bottom left is 30

and top right is 5

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Which is the value of this expression when j = negative 2 and k = negative 1?

Natalija [7]

Answer:

Option A.

Step-by-step explanation:

It is given that

$j=-2, k=-1$

The given expression is

$\left(\dfrac{jk^{-2}}{j^{-1}k^{-3}}\right)^3$

Substitute the given values in the above expression.

$\left(\dfrac{(-2)(-1)^{-2}}{(-2)^{-1}(-1)^{-3}}\right)^3$

$\Rightarrow \left(\dfrac{(-2)(1)}{\dfrac{1}{-2}(-1)}\right)^3$

$\Rightarrow \left(\dfrac{-2}{\dfrac{1}{2}}\right)^3$

$\Rightarrow \left(-4\right)^3$

$\Rightarrow -64$

Therefore, the correct option is A.

3 0

3 years ago

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Factor the expression completely 2x^2-18

Nastasia [14]

Answer:

C)2(x-3)(x+3)

Step-by-step explanation:

8 0

3 years ago

Mary stated that 2.01 x 10⁶ is less than 4.8 x 10⁴ because 2.01 is less than 4.8. what was mary's mistake ?

katrin [286]

Answer:

Step-by-step explanation:

Scientific notation is always written as a number between 1 and 9.9999999 repeating. There follows a power of 10. I'm not sure which answer would help you see it clearer but

4.8 * 10^4 the decimal is shifted 4 places the right which is 48000 where you have no numbers, you use zeros.

2.01 * 10^6 means that you shift the decimal 6 places to the right.

2010000

So 2 million is larger than 48 thousand.

The other way to do it is just to look at the power. 6 is more than 4. 6 describes the number of places you move. So does 4. 6>4 so that's the larger number.

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3 years ago

What is the value of x?

kolezko [41]

What is the question im solving x for?

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3 years ago

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Rekitha arekitha kandaralu

lions [1.4K]

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khing chong

Step-by-step explanation:

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3 years ago