Answer:
the answer is C.
Step-by-step explanation:
It is C because you are already dividing the numbers so you are going to multiply them and your answer for the division should be the same answer on the multiplication.
Answer:
B
Step-by-step explanation:
Given
f = c / λ ( multiply both sides by λ )
fλ = c
We’ll start off knowing that 1kg equals 1000 grams. So what you do from here is you subtract 180 from 1000 because that’s what it weighed. Since it was two kg in total, you’re going to add together your result and that kilogram, equaling out to 1.820kg. I hope this helped!