Isaiah 5:10; Isaiah 38:8

Isaiah 5:10

10 "For ten acres of vineyard will yield only one bath of wine, And a homer of seed will yield but an ephah of grain."

Isaiah 38:8

8 "Behold, I will cause the shadow on the stairway, which has gone down with the sun on the stairway of Ahaz, to go back ten steps." So the sun's shadow went back ten steps on the stairway on which it had gone down.