Every number equals to one when is powered by the zero.
Answer:
Option 4 is correct.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Multiply numerator and denominator by √2

Answer:
a = - 10
Step-by-step explanation:
Given
= - 2
a is divided by 2. The inverse operation to division is multiplication, thus
Multiply both sides by 5 to clear the fraction
a = 5 × - 2 = - 10
You have to decide all sides to figure out all the kissing pieces