The word "product" means <em>multiplication </em>
that means the answer is
40 · d
Hello!
The answer would be d = 10. Solve it like this. (v v v)
10 * 0 + 4 * d = 40 ---> 0 + 4 * 10 = 40
0 + 40 = 40
40 = 40
Hope this helps! ☺♥
23 i used an app use should also give that a try
Do 6x 266 in your calculator that’s ur answer