First, we can combine the exponents using the properties of exponents:

2^1.3 × 2^-0.7 × 4^0.7
= 2^(1.3 - 0.7) × 4^0.7
= 2^0.6 × 4^0.7

Next, we'll rewrite 4 as 2^2:

2^0.6 × (2^2)^0.7
= 2^0.6 × 2^1.4
= 2^(0.6+1.4)
= 2^2

Therefore, 2^1.3 × 2^-0.7 × 4^0.7 is equal to 2^2, which simplifies to 4.