319. Выразите в метрах и запишите в виде десятичной дроби​

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.