Answer to number 6 is D because to compare you need to add zeros to the end for ex.(.4_.78 = .40_.78
Answer:
The square root of a negative number is undefined, because anything times itself will give a positive (or zero) result. Note: Zero has only one square root (itself). Zero is considered neither positive nor negative
Part A would be the second option, as well as part B
Answer:
10. 99
11. 4102
12. 109
Step-by-step explanation: