2.55 million is written out 2,550,000. So, in its expanded form, it has four zeros.
Expanded Notation of 60 = (6 x 10) + (0 x 1).
Expanded Notation of 20 = (2 x 10) + (0 x 1)
Expanded Notation of 24 = (2 x 10) + (4 x 1)
7.5 in expanded notation: 7.5 = (7 x 1) + (5/10)
There are 9 zeros in a billion which is 1,000,000,000 or as 1.0*109 in scientific notation
2.55 million is written out 2,550,000. So, in its expanded form, it has four zeros.
10 googols, written in standard form, has 101 zeros. Written in scientific notation, is has two zeros: 10101
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The advantage of expressing numbers in scientific notation is that they are more compact.
Expanded Notation of 60 = (6 x 10) + (0 x 1).
Expanded Notation of 20 = (2 x 10) + (0 x 1)
Expanded Notation of 24 = (2 x 10) + (4 x 1)
7.5 in expanded notation: 7.5 = (7 x 1) + (5/10)
Expanded Notation of 37 = (3 x 10) + (7 x 1).
10 billion has 10 zeros in it (10,000,000,000). 10 billion can also be expressed as 1x10^10 in scientific notation.
Ten lakh, in figures, is written 1,000,000 in Western notation.