What is the difference between float and double datatypes?

float datatype:

Memory size 4 bytes. float is a short form for single precision floating point number. It is a 32-bit precision.

float represents upto 7 digits accurately after decimal point.

         float pi= 3.141F;

double datatype:

Memory size 8 bytes. double is a short form for double precision floating point number.it is a 64 bit precision.

double represents upto 15 digits accurately after decimal point.

         double distance = 1.98e^8;
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