Simplify the expression so there is only one positive power for each base. (5^-2 x 4^-4)^-2 A. 5^4 x 4^8 B. 1/5^4 x 4^8 C. 1/5^4 x 4^6 D. 5^4 x 4^6

3, 12, 48, 384, 1536, 6144, 24576, 98304

step-by-step explanation:

just keep timing it by 4.

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24