Select all the inrational numbers from the lista. √16b. √7c. 823.1d. -9e. 8.

B is one.

A < C and D are rational

Im thinking about E.  It looks like a recurring  decimal at first sight but I think its irrational.

The square root of 16 = 4, therefore it is not an irrational number.

The square root of 7 = 2.64575131106... therefore it is an irrational number.

823.1 ends at 1, therefore it is not an irrational number.

-9 does not continue forever, therefore it is not an irrational number.

8.070070007... continues on forever, therefore it is an irrational number.

Thus, the irrational numbers here are: √7 and 8.070070007...

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

have a nice day!