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Black_prince [1.1K]
3 years ago
11

What’s an expression with an exponent that has a value between 1 and 0???

Mathematics
2 answers:
Nata [24]3 years ago
6 0
2^-2

Negative exponents make the base number a fraction, while also multiplying it by the exponent. 2^-2 is the same as:
1
------
2x2

which equals 1/4.
Kruka [31]3 years ago
4 0

Answer:

0.1^2

Step-by-step explanation:

0.1^2 = 0.01, and 0.01 is between 1 and 0.

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20min. 1h = 60min
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60÷3=20min
4 0
3 years ago
Rachel has $10.00. She wants to buy a book that costs $6.79. Will she have enough
prisoha [69]

Answer:

No

Step-by-step explanation:

Because 10 - 6.79 = 3.21

8 0
2 years ago
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Find the unknown<br> G/20=0.65<br><br> 0.7=7/W<br><br> N/50=0.18
iren [92.7K]
I figured out that <span>0.7=7/W means that W=10.

</span>
3 0
3 years ago
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Two different numbers are selected simultaneously and at random from the set {1,2,3,4,5,6,7,8,9,10}. What is the probability tha
ehidna [41]

The probability of getting positive difference between the numbers 3 or greater between 1,2,3,4,5,6,7,8,9,10 if two numbers are selected is 28/45.

Given Numbers:{ 1,2,3,4,5,6,7,8,9,10}

We have to find the probability that the positive difference between the numbers selected is 3 or greater.

Probability is the likelihood of happening an event among all the events possible.

Total number of combinations when two numbers are selected from 10 numbers is 10 C 2=10!/2!(10-2)!

=10*9*8!/2*1(8!)

=10*9/2

=45 combinations

Combinations of numbers whose difference will be 3 or more are: (10,7),(10,6),(10,5),(10,4)(10,3)(10,2)(10,1)(9,6)(9,5)(9,4)(9,3)(9,2)(9,1)(8,5)(8,4)(8,3)(8,2)(8,1)(7,4)(7,3)(7,2)(7,1)(6,3)(6,2)(6,1)(5,2)(5,1)(4,1)

Total numbers =28

Probability=numbers/total combinations

=28/45

Hence the probability that two numbers selected gives difference of 3 or more is 28/45.

Learn more about probability at brainly.com/question/24756209

#SPJ4

6 0
2 years ago
You are researching the average emails received per day. You want to know how many employees you should survey if you want to kn
IrinaK [193]

Answer:

The value is  n =29 \ employees

Step-by-step explanation:

Generally the number of employee to survey(sample size) is mathematically represented as

       n = [ \frac{z *  \sigma }{E} ]^2

Here E is the margin of error which is given as E = 47

So substituting 1.645 for z and   155 for  \sigma

     n = [ \frac{1.645 *  155 }{47} ]^2

=>    n =29 \ employees

     

         

5 0
4 years ago
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