Regroup. writing the missing numbers
9tens 10 ones = hundreds

 9 tens 10 ones =  1 hundreds.

Step-by-step explanation:

Given : 9 tens 10 ones = hundreds.

To find: write  the missing numbers

Solution : We have given

9 tens 10 ones = hundreds.

We can write 9 tens = 9 * 10 =  90

10 ones = 10 *1 = 10

So, 90+ 10= 100

100 = 1 hundred

Then , 9 tens 10 ones =  1 hundreds.

Therefore,  9 tens 10 ones =  1 hundreds.

a) 0.25x times 3. (could be wrong on equation.)

b) 2.25 pound of dark chocolate. (can i eat all the chocolate? plz? anyway, again, could be wrong, but i hope im right. all the chocolate together should be 5.25 pounds)

have a good day!