Final answer:
Seventy-two thousand five hundred ten in standard form is 72,510, which corresponds to option (a) among the choices provided.
Step-by-step explanation:
The number seventy-two thousand five hundred ten is written in standard form as 72,510. This corresponds to option (a) 72,510 among the choices provided. Standard form may refer to a way of writing very large or very small numbers by comparing the powers of ten. It is also known as scientific notation. Numbers in standard form are written in this format: a×10n Where a is a number 1 ≤ a < 10 and n is an integer. Standard form of a number simply means writing out the number using digits and commas correctly placed to separate thousands, if necessary. No scientific notation is required. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. For example, 650,000,000 can be written in scientific notation as 6.5 ✕ 10^8. Created by Sal Khan and CK-12 Foundation.