Bài 1:
a: \(=\left(-\dfrac{3}{2}\right)^7:\left(-\dfrac{3}{2}\right)^5=\left(-\dfrac{3}{2}\right)^2=\dfrac{9}{4}\)
b: \(=\left(\dfrac{1}{2}\right)^4\cdot2^4\cdot2^2=4\)
c: \(=\dfrac{2^{40}}{2^{20}}=2^{20}\)
d: \(=\left(-\dfrac{3}{4}\right)^2=\dfrac{9}{16}\)