HELP! PLEASE ANSWER THESE QUESTIONS FOR 100 POINTS AND BRAINLIEST!!! (for answering just do a b c or d to answer the questions)

1. Which of the following numbers has the most number of significant digits?

A. 1.56
B. 23.07755
C. 500.005
D. 1.005

2. Divide 384.085 by 50.5 using the correct number of significant digits.

A. 7.65
B. 7.6517
C. 7.652
D. 7.61

3. How many significant digits are there in the number 0.0001001?

A. 4
B. 6
C. 8
D. 10

4. Find the sum of 3.279 and 0.28 using the correct number of significant digits.

A. 3.559
B. 3.56
C. 3.564
D. 3.65

5. Simplify 784.065 – 457.15 using significant digits.

A. 326.9150
B. 326.91
C. 326.92
D. 326.925

6. How many significant digits are there in the number obtained by dividing 10.24 by 16 using significant digits?

A. 1
B. 2
C. 3
D. 4

7. Eric can wrap 50 gift boxes in one hour. On this basis, Samantha computed the number of gifts he can wrap in 0.05 hour. How many significant digits are there in Samantha’s result?

A. 1
B. 2
C. 3
D. 4

8. Which of the following numbers is the sum of 82.545 and 128.580 written with the correct number of significant digits?

A. 211.1225
B. 211.125
C. 211.13
D. 211.130

9. Using significant digits, find the product of 7.095 and 2.55.

A. 18.09
B. 18.09225
C. 10.0923
D. 18.1

10. Which of these numbers has five significant digits?

A. 12.0000345
B. 50.04300
C. 1.0000
D. 5