Answer:
40
Step-by-step explanation:
you add all the numbers up then divide by how many numbers there are
Question 7:
Diameter = 6.2 cm so Radius = 3.1 cm
A=πr² = 3.14 × 3.1² = 30.1754 cm² = 30.18 cm²
Question 8:
Circumference = 2πr
16π = 2πr
therefore 16 = 2r so r = 8cm
8x^2*3xy
24x^3y I believe. Sorry if I’m a little rusty
3.010101.. = 3 + 0.010101... = 3 + 1/(100 - 1) = 3 + 1/99 = 3 1/99