What is 435 rounded to the nearest 100

Select all the statements that apply to this figure

What is the distance between the points (2, 5) and (5,9)?

Fill in the missing exponents in each box and show how you found the answer. (4 points: 2 points for each correct answer with work shown) c. (9^4)^? =9^1 d.(5^? )^3=5^1 *question marks represent the boxes