Deliberate practice is unnecessary to gain expertise.
a. true
b. false

False. Deliberate practice is critical to gaining any expertise in any particular field. With all activities, practice is the most important factor that would affect a person's performance. Though innate talent is present, performing regular practice would still lead to a person's total improvement.

answerpounds of plastic to purchase 200+60-20=(240);

answer makes less frequent trips to the bank and firms make less frequent price changes;