The answer is 4.71 × 10-7
hope this helps
Answer:
4 birds
Step-by-step explanation:
ty for the points bro
Answer:
About 5 hr 10 min
Step-by-step explanation:
rate 1 = 1 pool / 9 hrs rate 2 = 1 pool / 12 hours
now find the time with both rates combined
1 pool / ( 1/9 + 1/12) = 1/ (7/36) = 36/7 hr = 5 1/7 hr = 5 hr 8.6 min
A = {x|x∈N,x<4} = {1,2,3}