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Anastasy [175]
3 years ago
8

How to you write 1/25 using exponents

Mathematics
2 answers:
Montano1993 [528]3 years ago
5 0

Answer:

5^{-2}

Step-by-step explanation:

Using the rule of exponents

a^{-m} ⇔ \frac{1}{a^{m} } , then

\frac{1}{25} = \frac{1}{5^{2} } = 5^{-2}

WINSTONCH [101]3 years ago
4 0

Answer:

1/25 if converted to exponetiaal form it will be

1/5^{2}  and it can also be

just 5^{-2}

so there are two solutins

1.  1/5^{2}

2. 5^{-2}

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Assume that military aircraft use ejection seats designed for men weighing between 141.8 lb and 218 lb. If​ women's weights are
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Answer:

P(141.8

And we can find this probability with this difference and using the normal standard table:

P(-0.639

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Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:

X \sim N(173.6,49.8)  

Where \mu=173.6 and \sigma=49.8

We are interested on this probability

P(141.8

And the best way to solve this problem is using the normal standard distribution and the z score given by:

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If we apply this formula to our probability we got this:

P(141.8

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8 0
3 years ago
9. If f(x) = 5x-4 and f(2a) =156 , then what is the value of a?
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♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

f(x) = 5x - 4

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

f(2a) = 5(2a) - 4

f(2a) = 10a - 4

156 = 10a - 4

10a - 4 = 156

Add sides 4

10a - 4 + 4 = 156 + 4

10a = 160

Divide sides by 10

\frac{10a}{10}  =  \frac{160}{10}  \\

a = 16

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

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9 is in the hundred thousands place, 8 is in the ten thousands place, 7 is in the thousands place, 1 is in the hundreds place, 6 is in the tens place, 4 is in the ones place.
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