Mass number minus the atomic number equals the number of neutrons. Mass number is the number of particles in an atom that have significant mass. Electrons are assigned a valâ¦ue of 0 since the mass is so much smaller than protons and neutrons. Protons and neutrons are similar in mass and are assigned mass number of 1.
Why Uber is losing so much money? The biggest part of the problem is that Uber is a relative small fish in the market and is not getting nearly enough customers. According to analyst reports, as of August 2015, Didi Kuaidi completed seven million rides as opposed to Uber's one million.
Donât pay in cash. All fare payments are handled automatically by the Uber service and your credit card on file. If using the TAXI service, you can select the amount to be tipped through your Uber Payment Settings-the default is 20%.on't be fooled into thinking this is some sort of shared ride or cab service-Uber will send you a private taxi-style car. The service provides a cashless solution that charges your ride directly to the credit card on file with your account. This article will walk you through the process of using Uber to request a car.