Question

помогите пожалуйста

Answer 1

$\displaystyle\bf\\b_{1} =36\\\\b_{2} =24\\\\b_{4} =?\\\\\\b_{2} =b_{1} \cdot q\\\\q=b_{2} : b_{1} =\frac{24}{36} =\frac{2}{3} \\\\\\b_{4} =b_{1} \cdot q^{3} =36\cdot\Big(\frac{2}{3} \Big)^{3} =36\cdot\frac{8}{27} =10\frac{2}{3}$