6.23 = (6 x 1) + (2/10) + (3/100)
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623 = (6 x 100) + (2 x 10) + (3 x 1)
89 x 7 = 623 The smallest number over 600 divisible by 89 is therefore 623.
If you had 58 as a number, one expanded form for it would be 50+8, the second would be 80-22.
Expanded notation defines the meaning of each of the nonzero digits in the number. The number 1970000 would be expanded as: 1000000 + 900000 + 70000.
Expanded notation is a way of writing a number as the sum of its individual place values. For example, the number 3,456 in expanded notation would be written as 3 x 1000 + 4 x 100 + 5 x 10 + 6 x 1.