You do not understand what the multiplicative identity means nor what a number squared means. Let me help you out. the multiplicative identity is 1. That means anything multiplied by 1 is itself. So 1 x 10 = 10, 1 x 53 = 53, etc. A number squared means it is multiplied with itself. So 2squared = 4, which is 2 x 2, or 8squared = 64, which is 8 x 8.
So now on to the idea of a penny squared. Well a penny is a monetary unit of 1 cent. Now understanding what the Multiplicative identity is and the concept of squaring a number, a penny squared is still just a penny. Since 1 cent squared = 1 cent. So yes, a penny squared does physically exist. It is just itself, a penny.
A physicist is not an economist, so she can be incorrect when it comes to currency denominations.
My mistake since I mistook you agreeing with the statement that was made. In this case her and Terrance Howard are incorrect.
No, NDT is right on this one.
Multiplicative identity applies to pure numbers. But when you're working with real-life objects, you have to include the units in your operation as well. You ALWAYS have to include your units when you are making calculations in physics.
A penny times 1 is denoted:
1 cent x 1 = 1 cent The unit of the first quantity is "cents", and there is no units on the second quantity, so the final units are still just "cents".
However, a penny times another penny is denoted:
1 cent x 1 cent = 1 cent^2 The unites of both quantities are "cents", so you have to multiply them together to give you "cents squared". And cents squared is meaningless, it doesn't exist, because you can't multiply a penny by another penny. It doesn't make any sense, there's no way to combine pennies via multiplication. You can add pennies together, and you can multiply pennies by any pure number you want (which in reality is the same as adding), but you can't multiply pennies by each other.
If you are working in physics it makes more sense. You can multiple velocity by time, and the units work out to give you distance. You can multiply mass by velocity, because those units give you momentum. You can multiply mass by acceleration, because that gives you force. You can multiply velocity by velocity, because that gives you acceleration, which is velocity squared. You can multiple distance by distance, because that gives you area, which is distance squared. You can even multiple distance by distance by distance, because that gives you distance cubed, which is volume.
But you can't multiply a penny by a penny. It's meaningless, pennies squared are not anything.
nikkas are hyping up NDT, the same Tyson that backed covid vaccines, only to never speak on them again after he was called out. The same Tyson that got destroyed by Ben Shapiro, because he claimed "sex was a spectrum" but then also claimed that thoughts aren't a spectrum (no free will), which strongly contradicts that.
