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Maru [420]
3 years ago
12

I’m stuck on all of these :( any help would be very appreciated

Mathematics
1 answer:
dem82 [27]3 years ago
8 0

Answer:

1. 8x^3+6x^2+7

Step-by-step explanation:

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Answers with Explanation.


i. If we raise a number to an exponent of 1, we get the same number.

{10}^{1}  = 10

ii. If we raise 10 to an exponent of 2, it means we multiply 10 by itself two times.

{10}^{2}  = 10 \times 10 = 100

iii. If we raise 10 to an exponent of 3, it means we multiply 10 by itself three times.



{10}^{3}  = 10 \times  {10}^{2}  = 10 \times 100 = 1000

iv. If we raise 10 to an exponent of 4, it means we multiply 10 by itself four times.


{10}^{4}  =  10 \times {10}^{3} = 10 \times 1000 =  10000

v. If we raise 10 to an exponent of 5, it means we multiply 10 by itself five times.



{10}^{5}  = 10 \times  {10}^{4}  = 10 \times 10000 = 100000

{10}^{5}  = 100000

vi. Recall that,

{a}^{ - m}  =  \frac{1}{ {a}^{m} }
We apply this law of exponents to obtain,

{10}^{ - 2}  =  \frac{1}{{10}^{2} }  =  \frac{1}{100}

vii. We apply
{a}^{ - m}  =  \frac{1}{ {a}^{m} }
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{10}^{ - 3}  =  \frac{1}{ {10}^{3} }  =  \frac{1}{1000}





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Two students taking a multiple choice exam with 20 questions and four choices for each question have the same incorrect answer o
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The argument that both students cheated in the exam can be proved by a hypothesis that both the students got the same answers incorrectly.

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Since the given condition has only two outcomes that are choosing the same answer or not choosing the same answer. Thus, this can be solved by the binomial distribution model.

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