Which statements are true regarding the expression below? Check all that apply.

8 Superscript negative 1 Baseline times 8 Superscript negative 3 Baseline times 8
The last factor, 8, with no exponent shown is equivalent to 8 Superscript 0.
The sum of the exponents is Negative 3.
The value of the expression is Negative 512.
The value of the expression is StartFraction 1 Over 512 EndFraction.
An equivalent expression is 8 Superscript 7 Baseline times 8 Superscript negative 10.
An equivalent expression is 8 Superscript negative 2 Baseline times 8 Superscript negative 2.

Two groups of students were asked how many hours they spent reading each day. the table below shows the numbers for each group: group a 1 2 1 1 3 3 2 2 3 group b 3 2 3 2 2 2 1 1 2 based on the table, which of the following is true? the interquartile range for group a students is 0.5 less than the interquartile range for group b students. the interquartile range for group a students is equal to the interquartile range for group b students. the interquartile range for group a employees is 0.5 more than to the interquartile range for group b students. the interquartile range for group a employees is 1 more than the interquartile range for group b students.