Which two signs and two numbers should be interchanged in the following equation to make it correct?

15 ÷ 80 - 34 + 10 × 8 = 102

Select the option that is related to the fourth term in the same way as the first term is related to the second term and the fifth term is related to the sixth term.

17 : 4624 :: ? : 180 :: 13 : 2028

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.

45 * 86 * 23 * 36 * 18 * 2021

Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.

12 * 70 * 5 * 5 * 5 * 11 * 2