Question

Question
Two cells are viewed and measured under a microscope. The approximate diameter of each cell is listed.

Cell P: 5.0×10−4 m

Cell Q: 3.0×10−5 m

Which expression would you use to find the difference between the two diameters?

(1 point)
Responses

(5.0×10−4)(3.0×10−5)
open paren 5 point 0 times 10 to the negative 4 power close paren times open paren 3 point 0 times 10 to the negative 5 power close paren

(3.0×10−5)−(5.0×10−4)
open paren 3 point 0 times 10 to the negative 5 power close paren minus open paren 5 point 0 times 10 to the negative 4 power close paren

(3.0×10−5)÷(5.0×10−4)
open paren 3 point 0 times 10 to the negative 5 power close paren divided by open paren 5 point 0 times 10 to the negative 4 power close paren

(5.0×10−4)−(3.0×10−5)
open paren 5 point 0 times 10 to the negative 4 power close paren minus open paren 3 point 0 times 10 to the negative 5 power close paren

(3.0×10−5)(5.0×10−4)
open paren 3 point 0 times 10 to the negative 5 power close paren times open paren 5 point 0 times 10 to the negative 4 power close paren

(5.0×10−4)÷(3.0×10−5)

Answer 1

(5.0×10−4) − (3.0×10−5)

Subtract the smaller diameter from the larger to get the difference. (You could compute it: 0.0005 − 0.00003 = 0.00047 = 4.7×10−4 m.)