Express the following number in the standard form: 846× 10 7

# Express the following number in the standard form:

1. A
2. B
3. C
4. D

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### Solution:

Given number is .
Decimal point should be placed after the leftmost digit.
Determine how many digits are left once the decimal point has been relocated.
The expression should be written in standard form.
Understand that, the decimal point is moved 2 places to the left.
Therefore, number become .
Use formula ,
Hence, the standard form of number is .
Therefore, the correct option is 4.

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