MCQ
In standard form $72$ crore is written as:
- A$72 × 10^7$
- B$72 × 10^8$
- ✓$7.2 × 10^8$
- D$7.2 × 10^7$
✓
Answer
Correct option: C.
$7.2 × 10^8$
We know that, A number in standard form is written as $a \times 10^k,$ where a is the terminating decimal such that $1 ≤ a ≤ 10$ and k is any integer.
So, $72$ crore
$= 720000000$
$=7X0^8$
Note Here, power of $10$ (i.e. k) is a positive integer equal to the number of places the decimal point has been shifted.
So, $72$ crore
$= 720000000$
$=7X0^8$
Note Here, power of $10$ (i.e. k) is a positive integer equal to the number of places the decimal point has been shifted.
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