The student got 32 questions correct.
40 x 0.8 = 32
Answer:
m+n=140
Step-by-step explanation:
So the angles in a triangle always add up to 180. We already know that the first angle in the triangle is 40 degrees because it's shown in the angle below the triangle. So we have 140 degrees left since 40 is taken up. That eans m+n=140
Answer:
108
Step-by-step explanation:
0.6431 if not rounded off
0.6432 if rounded off
How to solve exponents:
Learn the correct words and vocabulary for exponent problems. When you have an exponent, like 2^{3}, you have two simple parts. The bottom number, here a 2, is the base. The number it is raised to, here a 3, is known as the exponent or power. If you are talking about 2^{3}, you would say it is "two to the third," "two to the third power," or "two raised to the third power."
If a number is raised to the second power, like 5^{2}, you can also say that the number is squared, such as "five squared."
If a number is raised to the third power, like 10^{3}, you can also say it is cubed, such as "ten cubed."
If a number has no exponent shown, like a simple 4, it is technically to the first power and can be rewritten as 4^{1}.
If the exponent is 0, and a "non-zero number" is raised to the "zero power", then the whole thing equals 1, such as 4^{0}=1 or even something like (3/8)^{0}=1
