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Fynjy0 [20]
1 year ago
11

Select the equivalent expression. 2^-4= Choose 1 answer a)1/2^4 b)-2^4 c)(-2)^4

Mathematics
2 answers:
olya-2409 [2.1K]1 year ago
4 0

Answer:

a)1/2^4

Step-by-step explanation:

First solve 2^-4.

Use negative power rule: x^-a = 1/xa

⇒ 1/2^4

Simplify 2^4 to 16

⇒ 1/16

Just evaluate the other options.

The first one is correct.

Here's why:

⇒ Simplify 2^4 to 16.

⇒ 1/16

They have the same steps, therefore making Option A correct.

Note: This is the longer way, there is a easier way of dealing with these types of problems. Example: Without using a calculator problem.

Marrrta [24]1 year ago
3 0

Answer: A 1/2 ^4

Step-by-step explanation:

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Answer:

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7 0
3 years ago
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WARRIOR [948]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
If 16 is added to one-third of a number, the result is three times the number. What is the number?
AnnZ [28]
First set up the equation based on the description.

\frac{1}{3} x + 16 = 3x

Use subtraction to get the "x"s on one side of the equation. You can next subtract <span>\frac{1}{3} x from both sides.

16 = </span>\frac{8}{3}<span> x

Now you can multiply both sides of the equation by </span>\frac{3}{8}<span>  to solve for x

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4 0
3 years ago
Divide 7/9 by -11/7 then simplify
gayaneshka [121]
Invert the divisor and then multiply 7/9 by your result:

 7      -7        -49
--- * ------ = ---------
 9      11          99
6 0
3 years ago
The answer to this, i don’t understand it
Akimi4 [234]
Answer:
9.2

Step-by-step explanation:
Since it is a right triangle, you can use the Pythagorean theorem to find the third side which is the hypotenuse.

a^2 + b^2 = c^2
7^2 + 6^2 = c^2
49 + 36 = c^2
85 = c^2
9.219 = C
So, the answer rounded to the nearest tenth would be: 9.2


6 0
2 years ago
Read 2 more answers
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