Monochromatic light of 500.0 nm falls on a single slit of width 0.095 mm. The slit is located 85 cm for a screen. how far from the center is the first dark band.
450 mm
4.48x 10 square root of 5 mm
4.5 mm
0.45 mm
can you show your work please so I can understand?
Thank you so much

Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

What expression is equivalent to 42x-56y