Answer:

Step-by-step explanation:
Given that,
The frequency of x-rays, 
We need to find the wavelength for x-rays. The relation between wavelength, frequency and speed of light is given by :

So, the wavelength for x-rays is
.
150/15=10
because 10 times 15 equals 150
3 digit dividend = 150
divisor between 10 and 20 is 15
Answer:
$230
Step-by-step explanation:
1970-2200
=-230
The number is a negative, remove the negative to find out how much you <u>owe</u>
Answer:
the answer for this is B 9