Dive correct answers by total questions:
160/200 = 0.80
Multiply by 100 to get percent:
0.80 x 100 = 80%
Length of 1 = 300 = 3 *10^2 nanometers
= 3*10^2/1*10^9 m
= 3*10^(2-9)
= 3*10^-7m
Answer:
$4
Step-by-step explanation:
if its $2 per packet and he is buying 3 do 2x3 which is 6 then 10-6 which is $4
Step-by-step explanation:
- In the line 2, only variables were operated with a reduction of similar terms in each side of the equation, giving as result -4x at one side, and 2x at the other side.
- In the line 3, terms with variables were joined together in one side of the equation, and then, they were operate it, given as result -6X.
Answer: d. He multiplied when he was supposed to divide
Step-by-step explanation:
He just multiplied across when he was supposed to divide (or cross multiply) to find the unit rate :)
