Answer:
0.04 by the way just sayin :P
Explanation:
for answering this, put x an unknown number so that 0.4 is 10 times as much as x, so it does mean 0.4 =10x, so for finding the value of x, we divide 0.4 by 10, x= 0.4/10=0.04. the answer is 0.4 is 10 times as much as 0.04
i dont know what you needed help with but if it was making sure that right there ya go hope this helped