Answer:
1,3,5
Step-by-step explanation:
81 is a perfect square so it can be written as an integer
11.8 is rational because it can be written as a fraction (107/9)
sqrt(6) isn't a perfect square so it is irrational
3/7 is a fraction so it is rational
8.57 is a terminating decimal so it is rational
Answer:
- Annabella will save $4950.11 after 2 years.
Step-by-step explanation:
<h3>Given</h3>
- Periodic payment P = $200,
- Period t = 2 years,
- Number of compounds, monthly n = 12,
- Interest rate, r = 3.2% = 0.032.
<h3>To find</h3>
- Future value of saving, F
<h3>Solution</h3>
Use periodic compound formula:
Substitute the values and calculate:
rounded
A girl has 20 marbles
10 are red, 7 are blue, and 3 are green
If she picks 5 marbles, without replacing them, what are the chances all 5 are red?
10/20 * 9/19 * 8/18 *7/17 * 6/16
1/2 * 9/19 * 4/9 * 7/17 * 3/8
1/2 * 1/19 * 3/2
1/76
