Answer:
Step-by-step explanation:
Given
Required
Solve:
Apply law of indices
Express 4 as 2^2
Express as a singe fraction
Apply law of indices:
Answer:
p = -13
Step-by-step explanation:
A 50% chance it will last on heads
Answer:
x = 4
Step-by-step explanation:
4x + 2 = 5x -6
4x -5x = 6-2
-x = 4
x = 4