Home › CBSE Class 8 › Mathematics › Exponents And Powers › The number 4,050,000 in standard form is:
The number 4,050,000 in standard form is:
A4.05 x 10^6
B4.05 x 10^5
C40.5 x 10^5
D4.05 x 10^7
Answer & Solution
Correct answer: A. 4.05 x 10^6
1. Standard form leaves one digit before the point.
2. So the number becomes 4.05 times a power of ten.
3. The point moves six places, giving 4.05 x 10^6.
4. So the answer is 4.05 x 10^6.
_Source: NCERT Class 8 Mathematics, Ch 10 'Exponents and Powers'_
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