Answer:
Step-by-step explanation:
12<18/3(-2)+12 turns into 12<18/-6+12
False
Answer:
a·a-b·b
Step-by-step explanation:
Answer:
At 43.2°.
Step-by-step explanation:
To find the angle we need to use the following equation:

Where:
d: is the separation of the grating
m: is the order of the maximum
λ: is the wavelength
θ: is the angle
At the first-order maximum (m=1) at 20.0 degrees we have:

Now, to produce a second-order maximum (m=2) the angle must be:


Therefore, the diffraction grating will produce a second-order maximum for the light at 43.2°.
I hope it helps you!
Answer:

Hope this helps! If you need an explanation, I've got you.
91
Follow the order of operations.
3^4 + 2 * 5
81 + 2 * 5 (Exponent)
81 + 10 (Multiplication)
91 (Addition)
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