Express as a single power of 10: 10−3102103=10𝑑

To express the given expression as a single power of 10, we need to use the laws of exponents.

The expression is: 10^-3 * 10^2 * 10^3

Step 1: According to the law of exponents, when multiplying like bases, you add the exponents.

So, the expression simplifies to: 10^(-3 + 2 + 3)

Step 2: Simplify the exponent: -3 + 2 + 3 = 2

So, the expression simplifies to: 10^2

Therefore, 10^-3 * 10^2 * 10^3 = 10^2.