The mass of an electron is approximately 9.1 x 10^-31 kilograms. The mass of a proton is approximately 1.7 x 10^-27 kilograms.

Approximately how many times greater is the mass of a proton than the mass of a electron?

A. 5,500
B. 1,900
C. 19,000
D. 55,000

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

Find the midpoint m of z1=(8+5i) and z2=(12+3i)