Try this solution:
0.2; 0.2*(-0.3); 0.2*(-0.3)*(-0.3); 0.2*(-0.3)*(-0.3)*(-0.3);... etc.
if the first term of this sequence is n=1, then only 'C' is the right answer:
$a_n=0.2*(-0.3)^{n-1}.$

7 0

3 years ago

Read 2 more answers

Which of the following is the same as 8.4 × 102 ? A. 84 B. 8,400 C. .84 D. 840

aleksklad [387]

Based on the given answers, do you possibly mean 100 instead of 102?
If so, you would move the decimal point of 8.4 two places to the right, meaning the answer would be letter D. 840.

6 0

3 years ago

Suppose that 4% of the 500 athlete in a major meet have actually taken performance enhancing drugs, and all athletes are given t

BaLLatris [955]

Answer:

20 athletes have taken performance-enhancing drugs.

Step-by-step explanation:

Assuming that you want to find the number of athletes that have taken drugs, multiply 4% (0.04) by 500.

4%=4/100=1/25

1/25*500=20, 20 athletes have taken performance-enhancing drugs.

6 0

3 years ago