Question

7.56×10⁶ / 4.2×10⁷

Explanation:

Step1: Split coefficients and powers

$\frac{7.56}{4.2} \times \frac{10^6}{10^7}$

Step2: Calculate coefficient division

$\frac{7.56}{4.2} = 1.8$

Step3: Simplify power of 10

$\frac{10^6}{10^7} = 10^{6-7} = 10^{-1}$

Step4: Multiply results

$1.8 \times 10^{-1}$

Step5: Convert to decimal

$1.8 \times 0.1 = 0.18$

Answer:

$0.18$ or $1.8 \times 10^{-1}$