7840-group all the same denominations together like this: 6 thousand + 1 thousand is 7 thousand, 5 hundred +3 hundred is 8 hundred and 4 tens 4 times 10, means count by tens.
Answer:
123 more muffins
Step-by-step explanation:
To find out how many to box in total you would do 14 x 12 = 168
168 - 45 = 123
Since 45 were already boxed, 123 more would be needed to make 14 boxes.
The main denominator is 6
Answer:
729/64
Step-by-step explanation:
= (3/2 a^-2b^2)^2
= 3^2 b^4 / 2^2 a^4
= 9b^4 / 4a^4
Plug in a = -2 and b = -3
= 9(-3)^4 / 4(-2)^4
= 9(81) / 4 (16)
= 729/64
That they are small that's not a question