Question

8. The product of 4xy X 5x2y2 X 6x3y3 is ...​

Answer 1

Answer:

here is your answer

Step-by-step explanation:

= 4xy × 5x²y² × 6x³y³

As per the property, if bases are same then the powers are added...

= 4×5×6(x^6y^6)

=120x^6y^6

This is your answer..

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Answer 2

Answer:

You can form many more expressions. As you know expressions are formed from variables and constants. The expression 2y – 5 is formed from the variable y and constants 2 and 5. The expression 4xy + 7 is formed from variables x and y and constants 4 and 7.

We know that, the value of y in the expression, 2y – 5, may be anything. It can be 2, 5, –3, 0,5/2 ,-7/3 etc.; actually countless different values.

The value of an expression changes with the value chosen for the variables it contains. Thus as y takes on different values, the value of 2y – 5 goes on changing. When y = 2, 2y – 5 = 2(2) – 5 = –1; when y = 0, 2y – 5 = 2 × 0 –5 = –5, etc. Find the value of the expression 2y – 5 for the other given values of y.