Final answer:
The product of (4.3 x 10^2) x (4.0 x 10^-3) is 1.72 x 10^1 in scientific notation.
Step-by-step explanation:
The question asks to calculate the product of two numbers in scientific notation: (4.3 x 10^2) x (4.0 x 10^-3). To solve this, you multiply the base numbers first and then add the exponents.
Step 1: Multiply the base numbers (4.3 x 4.0) = 17.2.
Step 2: Add the exponents (2 + -3) = -1.
Step 3: Combine the results in scientific notation 1.72 x 10^1, since 17.2 can be written as 1.72 x 10^1.