Final answer:
To find the product of (8 × 10⁻³) × (5 × 10³), multiply the numbers and add the exponents of 10. The product is 40.
Step-by-step explanation:
To find the product of (8 × 10⁻³) × (5 × 10³), we can multiply the numbers outside the parentheses and add the exponents of 10. First, let's multiply the numbers: 8 × 5 = 40. Next, let's add the exponents of 10: -³ + ³ = 0. So the product is 40 × 10⁰. Any number multiplied by 10⁰ is simply the number itself. Therefore, the product is 40.