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FromTheMoon [43]
2 years ago
13

Exam for edmentum// multiplying monomials please help

Mathematics
1 answer:
Artemon [7]2 years ago
4 0

Answer:

3 {w}^{5}  \times  {7w}^{5}  \\  \\  = (3 \times 7)( {w}^{5}  \times  {w}^{5} ) \\  \\  = 21( {w}^{5}  \times  {w}^{5} )

from law of indices:

{x}^{a}  +  {x}^{b}  =  {x}^{(a + b)}

therefore:

= 21 \{ {w}^{(5 + 5)}  \} \\  \\  ={ \boxed{ 21 {w}^{10} }}

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Answer:

The probability is 0.04746

Step-by-step explanation:

Firstly, we calculate the z-score here

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z-score = x-mean/SD/√n

Where from the question;

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Plugging these values into the equation, we have;

Z = (85-90)/15/√25 = -5/15/5 = -1.67

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We use the standard normal distribution table for this;

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