When people try to estimate the answer to $8$x$7$x$6$x$5$x$4$x$3$x$2$x$1,$ how does it compare to the estimate of the answer to $1$x$2$x$3$x$4$x$5$x$6$x$7$x$8?$

Question $20$Answer

a$.$

The answer to $8$x$7$x$6$x$5$x$4$x$3$x$2$x$1$ is estimated to be smaller than the answer to $1$x$2$x$3$x$4$x$5$x$6$x$7$x$8.$

b$.$

The answer to $8$x$7$x$6$x$5$x$4$x$3$x$2$x$1$ is estimated to be larger than the answer to $1$x$2$x$3$x$4$x$5$x$6$x$7$x$8.$

c$.$

The answer to $8$x$7$x$6$x$5$x$4$x$3$x$2$x$1$ is estimated to be equal to the answer to $1$x$2$x$3$x$4$x$5$x$6$x$7$x$8.$

d$.$

People are not able to estimate the answer to either problem.