Question 1: What is the value of the digit 7 in the number 4,762,385,091?

Answer: 7000000

Question 2: Identify the digit in the hundreds place of the number 3,005,702,419 and state its value.

Answer: 0

Question 3: Calculate the value of the digit 5 in the number 8,549,672,305.

Answer: 500000000

Question 4: Explain why the digit 2 in the number 7,892,340,206 is worth two hundred million.

Answer: Because it is in the hundred million place, which means its value is 2 multiplied by 100,000,000.

Question 5: Identify the smallest and largest numbers you can form using the digits 1, 4, 7, 9, and 0, where the number must be a 5-digit number.

Answer: {"largest":"97410","smallest":"01479"}

Question 6: A number has a digit 3 in the ten thousands place and a digit 9 in the ones place. If the total value of the number is 53,209, what is the number?

Answer: 23,309

Question 7: In a number, the digit 6 is in the tens place. If the number is greater than 50 million, what is the minimum possible value of the number?

Answer: 50,000,006

Question 8: Construct a 7-digit number where the digit 8 is in the millions place, and the total value of all digits is 80 million. Provide the number and explain your reasoning.

Answer: 80000000; because the digit 8 in the millions place contributes 8,000,000, and the remaining digits can be zeros to total 80 million.

Question 9: Identify the mistake in this number: 9,876,543,210, where the digit 4 is claimed to be in the hundreds place, but the digit is 5.

Answer: The digit 4 is actually in the ten thousands place, not hundreds. The hundreds digit is 3.

Question 10: Using the number 6,543,210,987, identify all digits that are in the millions and billions places and state their values.

Answer: {"billions":"0","millions":"6,000,000"}