What is the mantissa when the entire float is zero?

### A good answer might be:

Zero.

# Exponent Practice

Of course the sign bit is zero when the number is zero. A floating point zero consists of 32 zero bits. The MIPS instructions that test for integer zero can test for floating point zero.

Biased 127 Exponent
actual exponent |  | biased exponent | eight bit exponent
--- | --- | --- | ---
0 |  |  |
1 |  |  |
10 |  |  |
-10 |  |  |
127 |  |  |
-126 |  |  |

### QUESTION 16:

How is the exponent -127 represented?