How do you do a negative power?

Mathematics

2 answers:

bogdanovich [222]3 years ago

8 0

Answer:

A negative exponent is defined as the multiplicative inverse of the base, raised to the power which is opposite to the given power. In simple words, we write the reciprocal of the number and then solve it like positive exponents. For example, (2/3)-2 can be written as (3/2)2.

Step-by-step explanation:

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ludmilkaskok [199]3 years ago

4 0

Negative multiplied by negative is positive

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Answer:

The null hypothesis is $H_0: p = 0.22$

The alternate hypothesis is $H_1: p < 0.22$

Step-by-step explanation:

To investigate this further, the economist would like to test the claim that the percent of thirty-year fixed-rate mortgage loans that have a 4.75 percent interest rate is less than 22%.

At the null hypothesis, we test that the proportion is of 22%, that is:

$H_0: p = 0.22$

At the alternate hypothesis, we test that the proportion is less than 22%, that is:

$H_1: p < 0.22$

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