?
The mantissa in -1.58E5 is . . . . . . . .
Answer & Solution
Correct Answer:
Option
A
This question is about understanding scientific notation in MySQL. Scientific notation is a way to represent very large or very small numbers using exponents.
The format for scientific notation is: "a" * 10^"b"
Where:
"a" is the mantissa, a number between 1 and 10.
"b" is the exponent, an integer.
In the given example, "-1.58E5", we can see that the mantissa is the part before the "E", which is "-1.58".
Therefore, the correct answer is Option A: -1.58.
The format for scientific notation is: "a" * 10^"b"
Where:
"a" is the mantissa, a number between 1 and 10.
"b" is the exponent, an integer.
In the given example, "-1.58E5", we can see that the mantissa is the part before the "E", which is "-1.58".
Therefore, the correct answer is Option A: -1.58.
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