Short answer:
The scientific notation for 30000000 is 3 × 107
The 'e' notation for 30000000 is 3e+7 or 3e7
The number 30000000 has 1 significant figure
Detailed answer:
How to convert 30000000 into scientific notation
To convert the number 30000000 into scientific notation, follow these steps:
1 - Move the decimal 7 times to left so there is one non-zero digit to the left of the decimal point, untill the resulting number, m (= 3), is greater than or equal to 1 and less than 10 (m is the, so called, mantissa).
Since we've moved the decimal 7 times to the left, the exponent will be a positive number n (= 7).
2 - Write in scientific notation form m × 10n,
where m = 3 and n = 7.
Therefore, the number 30000000 written in scientific notation is 3 × 107 and it has 1 significant figure.
How to convert 30000000 into "e" notation
We've already converted the number to scientific notation. So, we just need to replace the ' × 10n ' by an 'e'.
Therefore, the 'e' notation for 30000000 is 3e+7 or 3e7.
Step-by-step explanation:
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