I’m not exactly sure what the question is asking, but assuming that the equation is r=10b^2, then the answer would be r=40.
Answer:
ok lol
Step-by-step explanation:
Ik that. You should never trust random people you don't know.
Answer:
Step-by-step explanation:
Given
Required
The area of the shaded sector
This is calculated as:
This gives
<span>With the number 529, the 5 is the most significant digit, because it tells us that the number is 500 and something. The 2 is the next most significent digit. After that digit is 9, so we will round it and add 1 onto 2 ( 2 + 1 = 3 ). Finally, 529 to 2 significant figures is: 530 ( and the second significant digit (3) has the overline ).</span>