Select the correct combination of mathematical signs to sequentially place from left to right in the blanks below to balance the given equation.
6 _ 2 _ 0 _ 8 = 20

The correct combination of mathematical signs is ×, +, +.

We are given the equation with missing signs:

6 _ 2 _ 0 _ 8 = 20

We sequentially substitute the signs ×, +, + from left to right into the equation:

$6\times 2+0+8=20$

According to the standard order of operations (BODMAS/PEMDAS), multiplication is performed before addition.

Step 1: Perform the multiplication first:

$6\times 2=12$

Step 2: Substitute 12 back into the equation and perform the additions from left to right:

$12+0+8=20$

$12+8=20$

$20=20$

Since the Left-Hand Side (LHS) equals the Right-Hand Side (RHS), the equation is balanced.