Answer:
2.5 × 10⁻⁹ × 1.5 × 10³ = 3.75 × 10⁻⁶
As you can see, you multiply the numbers in front of 10s, and add the exponents.
i think
Answer:
3.75 * 10^-6.
Step-by-step explanation:
Multiplying:
1.5 * 10^3 * 2.5 * 10^-9
= (2.5*1.5) * 10^(3 + (-9)
= 3.75 * 10^-6.