What is the distance between point P(-2, 1, 3) and point Q(-1, 4, -2) to the nearest tenth?

35.1 units
9.3 units
18.4 units
5.9 units

My answer: 18.4 units

1 answer

nope ...

distance = √((-2+1)^2 + (1-4)^2 + (3+2)^2 )
= √( 1 + 9 + 25)
= √35
= appr 5.92
their choice is 5.9