Express the following equation in its equivalent exponential form:

log₈ (1/4096) = -4

Solve the following logarithmic equation for x:

log_1/5 (x + 98) = -3

Evaluate the following logarithm by using the approximations log₈ 3 ≈ 0.5283 and log₈ 10 ≈ 1.1073:

log₈ (10/3)