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3 years ago

Evaluate b²c¹ for b=8 c=-4

Mathematics

1 answer:

AVprozaik [17]3 years ago

8 0

Answer:

The answer is -256.

Step-by-step explanation:

You have to substitute the value of b and c into the expression :

${b}^{2} {c}^{1}$

Let b = 8,

Let c = -4,

${8}^{2} \times { - 4}^{1}$

$= 64 \times - 4$

$= - 256$

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Express 78 billion in scientific notation

ryzh [129]

Answer:

$7.8 * 10^{10}$ is scientific notation of 78 billion

Step-by-step explanation:

For scientific notation , follow the following notation:

$a * 10^{b}$ -------->(equation 1)

Let, $a^{'} = 78 billion$

$a^{'} = 78000000000$

$a^{'} = 78000000000.0$

In standard form

$a = 7.8000000000$

$a = 7.8$

As decimal point move 10 places from right to left, therefore

b = 10

Put the value of 'a' and 'b' in (equation 1)

$7.8 * 10^{10}$ is scientific notation of 78 billion

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4 years ago

Write 38 as the sum of two prime numbers

pychu [463]

38= 19+19.................

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4 years ago

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A local grocery store decides to offer a free piece of fresh fruit (banana or apple) to all shoppers in the produce department.

xxMikexx [17]

The generalization that can be made from this study is that: Given the choice of a banana or an apple, twice as many shoppers will select an apple.

<h3>How to arrive at the generalization.</h3>

More of the shoppers are said to select an apple from the group of shoppers who are to but either banana or apple.

Those buying an apple are two times the people buying the banana, hence we can conclude that twice as many shoppers would choose the apple over banana.

Read more on probability here: brainly.com/question/24756209

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2 years ago

Pls help thanks alot

Levart [38]

1st, 4th, 5th. hope this helped!

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A special filter can process 34 gallon of liquid in 25 minutes. If the filter processes a liquid at a constant rate, what is the

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