Question

simplify and write exponential form -4/7^2×(-7/2)^2 ​

Answer 1

Answer:

${2}^{2}$

Step-by-step explanation:

$({ - \frac{4}{7}})^{2} \times ({ \frac{ - 7}{2}})^{2} \\ \frac{ - 4}{7} \times \frac{ - 4}{7} \times \frac{ - 7}{2} \times \frac{ - 7}{2} \\ 4 \\ {2}^{2}$