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The standard (scientific) form of 4500 is:

Class 7Powers of 10Number System

A $4.5 \times 1 0^{2}$
B $4.5 \times 1 0^{3}$
C $45 \times 1 0^{2}$
D $0.45 \times 1 0^{4}$

Step-by-Step Solution

Move the decimal so one non-zero digit is before it:

4500 = 4.5 \times 1000 = 4.5 \times 1 0^{3}

.

Answer: B)

4.5 \times 1 0^{3}

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