What is the coefficient of x^6 y^4 in the expansion of (x+y)^10
a. 1
b. 5
c. 210
d. it does not exist

; )

step-by-step explanation: ; )

3,6 and 7.

step-by-step explanation:

a) unit place of 37 is 7

so the unit place of cube of 37 will be

7³= 343=3

the answer is 3.

b) unit place of 56 is 6, so the unit place of cube of 56 will be

6³= 216=6

the answer is 6.

c) unit place of 133 is 3, so the unit place of cube of 133 will be

3³= 27= 7.

the answer is 7.