Question

Write in numerals and words the largest $8$-digit number having four different digits in International system of numeration.

Answer 1

Step-1: Finding the largest $8$-digit number having four different digits in International system of numeration:

While forming a largest number using given digits, arrange the number in descending order. If repetition is allowed, repeat the largest digit to form the largest number.

Largest four digits are $9,8,7,6$.

Thus, the largest $8$-digit number having four different digits in International system of numeration is $99,999,876$.

Step-2: Expressing the largest $8$-digit number having four different digits in International system of numeration in words:

Thus, $99,999,876$ can be expressed as “Ninety-nine million, nine hundred ninety-nine thousand, eight hundred seventy-six”.

Hence, $99,999,876$ is largest $8$-digit number and in words “Ninety-nine million, nine hundred ninety-nine thousand, eight hundred seventy-six”