Considered numbers (string) of length 8 over the 10 digit 0 to 9 . Suppose that the repetition old digits is allowed and that the numbers may begin the 10. (a) how many different numbers are there? (b) how many of these numbers contain at least two 2s? (c) what is the probability but a string of length 8 will contain at least two 2s?​

s

step-by-step explanation:

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a

тнєу єα¢н яαи 32 мιℓєѕ

step-by-step explanation:

нσρє ι ¢συℓ∂ нєℓρ уσυ συт тσ∂α!