CTET 2 Math and Science 14 Dec 2024 Shift 1 Paper

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Question : 38 of 150

Marks: +1, -0

Which of the following numbers is written in the standard form?

45 × 10³
8.5 × 10^-12
0.6 × 10¹⁵
83.7 × 10^-9

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