| 1 |
0.0000281 can write in scientific notation |
- A. 2.81 x 10-5
- B. 28.1 x 10-5
- C. 0.00281 x 10-3 
- D. 0.281 x 10-5
|
| 2 |
X3 x Y4 x X-2 x Y-2 we can simplify as |
- A. xy2
- B. x3 y
- C. x y2
- D. x2 y
|
| 3 |
1/b√ak is expressed in exponential form as |
- A. a-1/b
- B. a-b/k
- C. a-1/k
- D. a-k/b
|
| 4 |
In the logarithm of number the decimal part is called |
- A. mantissa
- B. characteristic
- C. rational number
- D. real part
|
| 5 |
In√3, 3 is called |
- A. radical
- B. radicand
- C. integer
- D. natural number
|
| 6 |
√2+√3 is not radical, because 2 +√3 is |
- A. radical
- B. rational
- C. integer
- D. irrational
|
| 7 |
√3 is considered a /an |
- A. rational number
- B. irrational number
- C. complex number
- D. integer
|
| 8 |
We can write 1/10000 in scientific notation as |
- A. 1 x 104
- B. 1 x 10-4
- C. 1 x101/4
- D. 1 x 10-1/4
|
| 9 |
In 45,4 is called |
- A. base 
- B. exponent 
- C. integer 
- D. radical 
|
| 10 |
As per Law of sum of powers, we write am x an as |
- A. am-n
- B. am+n
- C. a1/m-1/n
- D. a 1/m+1/n
|