Answer:
I think its (6042 = 1780 + a) but I'm not really sure though but I hope if that helped somehow
Answer:
multiplicative inverse
Step-by-step explanation:
A number that is multiplied by it's multiplicative inverse equals one.
A multiplicative inverse is also called a reciprocal.
Example:
1/7 is 7's multiplicative inverse.

I’m gonna bet on D. Since I answered your question. Break my ankles✨