Question

Jackson is teaching the decimal number system. He wants his students to know how to expand numbers by powers of 10. Which is the correct order in which digits are assigned values in the decimal number system?
A.- Thousand, Hundred, Ten, One
B.- One, Hundred, Ten, Thousand
C.- Zero, One, Hundred, Ten
D.- Zero, Thousand, Hundred, Ten

Answer 1

Answer

One, Hundred, Ten, Thousand

Explanation

Decimal number system is a positional numeral system employing 10 as the base and requiring 10 different numerals, the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. It also requires a dot (decimal point) to represent decimal fractions.

To expand numbers by powers of 10  where  a power of 10 is any of the integer powers of the number ten thus it is  ten multiplied by itself a certain number of times  that is when the power is a positive integer. so you need to express the number as a number between 1 and 10 times a power of 10.

Answer 2

B. One, Hundred, Ten, Thousand