Answer:
Word form: 1 billion
Standard form: 1, 000,000,000
Step-by-step explanation:
Here we have to find the least 10-digit whole number.
Definition:
A whole number is a number starting from zero and goes to infinity. Which is represented by "W"
W = {0, 1, 2, 3, 4, 5, 6, 7, .......∞}
So, the least 10 digits number 1,000,000,000.
Word form: 1 billion
Standard form: 1, 000,000,000