multiply 0.75 by 2.8 x 10-^5.

Answer 1

To multiply \( 0.75 \) by \( 2.8 \times 10^{-5} \), follow these steps:

1. Multiply the decimal numbers: \[ 0.75 \times 2.8 = 2.1 \]

2. Then, incorporate the scientific notation: \[ 2.1 \times 10^{-5} \]

Therefore, the result of \( 0.75 \times 2.8 \times 10^{-5} \) is: \[ 2.1 \times 10^{-5} \]