Answer :
The period of 145 is hundred- thousands.
What is period of a number?
When a number is written in standard form, each group of digits separated by a comma is called a period . The number 5,913,603,800 has four periods.
Given number:
145,973
according to the definition the period of 145 is hundred- thousands.
As, 1 is at place of hundred thousand and 4 is at place value if ten thousand.
Hence, the period of 145 is hundred- thousands.
Learn more about period of a number here:
https://brainly.com/question/101800
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