Answer:
.....................
10)=(-3)^2.x^4×2.y^2(5.x^2y^6)-7^2x^5×2y^4×2
=(9×5)x^8+2y^2+6-49x^10y^8
=45x^8+2y^2+6-49x^10y^8
=45x^10y^8-49x^10y^8
=-4x^10y^8
Answer:

Step-by-step explanation:
convert the number to all decimals or fraction and compare.
Answer:
x= 3
Step-by-step explanation:
mark me brainliest :)
The colored one would be a 1 in 4 and the b&w is a 1 in 5 :1
Answer:
426
Step-by-step explanation:
6(
)
= 453 - 6 * 4
= 453 - 27
= 426