2,800,000,000
expanded form - (2 x 1000000000) + (8 x 100000000) + (0 x 10000000) + (0 x 1000000) + (0 x 100000) + (0 x 10000) + (0 x 1000) + (0 x 100) + (0 x 10) + (0 x 1)
standard form - 2,800,000,000
BUT instead of adding two numbers you could just move the decimal 9 places over.
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what is the expanded form for 213.23?
19/28 is in its simplest form.
28
0.042 and 0.028
Writing a number in standard form simply means to express the number in its 'normal' form. Therefore, your example is written in standard form.