Crosby and Adam are working with exponents. Crosby claims that 3² * 3³ = 3⁵. Adam argues that 3² * 3³ = 3⁶. Which one of them is correct?

Crosby is correct.

Step-by-step explanation:

You know this is true because if you plug in 3^2 * 3^3, you get 243.

If you type in 3^5, you get 243. If you type in 3^6, you get 729, which is not true.

d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;

substitute,

circle 1 = 5

circle 2 = 20

circle 3 = 44

in this case no matter how you add, you will always get a perfect square..

hence proved

happy to

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