Which of these numbers are less than 8.1 × 10-8? 8.2 × 10-8 7.3 × 10-5 9.2 × 10-9 3.4 × 10-10

Which statements regarding the diagram are true? check all that apply.

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.