It will be -5 I pretty sure but I’m not sure
Answer:
b. Multiplying decimals less than one is finding a part of a part.
Step-by-step explanation:
A part of a given number implies a selected part of a given number which can be expressed as a fraction of the number. Example, the half of any number is
.
The product of a part and another part can be expressed as;
x
= 
or,
x
= 
or,
x
=
= 
The three examples shows: a part x a part.
Therefore, it would be observed that multiplying decimals less than one is the same as finding a part of a part.
Exterior angle is equal to sum of interior opposite angles hence,
req. angle = 80 + 62 = 142