Answer:
Step-by-step explanation:
(7√2)(3√3) = 7·3·√2·√3
= 21√(2·3)
= 21√6
Answer:
answer a
Step-by-step explanation:
Step-by-step explanation:

The answer is one, because the number seven in the hundredths column is greater than five so you round the nine up to 1.0.
Answer:
30,000
Step-by-step explanation:
7 is rounded up, so 2 + 1 is 3, therefore the answer is 30,000