Question

Q1 Write a 15 times in exponential form
2. Write the coefficient of xin xyz
3. Write the following using literal numbers and signs of basle operations
mis decreased by 15
(i) the difference ofx and y, when xy,
4. Write the following statement using literal numbers and signs of basic operations Nine
times a number y is x less than a number
5. Isha scores 99 marks in mathematics and x maks in science What is the total of her markes la
both the subjects?
6. Write the expression for 7 times added to 9 times b
7. Identify like terms in the following abs, abte, ach cab babe cabe
8. Add x-2-5x1 + 2a' -*x? - ?
9. Identify the operations in the expression 3m-16
10. Amit covers centimeters in one step How many centimeters does he cover in twenty steps

Answer 1

Answer:

1 Answer

Let, a number is multiplied three times. That is a×a×a

Then, a×a×a = a

3

.

Similarly, if a is multiplied 15 times.

That is, a×a×a×a×a×a×a×a×a×a×a×a=a

15

.

2 Answer

coefficient of x in xyz is yz.