Law of multiplying Powers with the same exponents

Q. What is exponential notation?

Q.

Express the following in standard from.

1)5, 00, 00, 000

2)39087.8

3)the distance between the earth and the moon is 384, 000, 000 m

Q. 149600 is equal to:

1. $1.496\times {10}^4$
2. $1.496\times {10}^5$
3. $1.496\times {10}^6$
4. $1.496\times {10}^7$

Q. Round off the following decimals to the nearest one.

1. $17.5$
2. $0.6$
3. $28.7$

Q. Round the decimal number to the nearest one.
$4.8$

Q. Find the product :

$73.92\times 10$

Q. 149600 is equal to:

1. $1.496\times {10}^6$
2. $1.496\times {10}^4$
3. $1.496\times {10}^5$
4. $1.496\times {10}^7$

Q. Express each of the following per cents as decimals: $75\%$

Q. Express each of the following per cents as decimals: $128.8\%$

Q. Round the decimal number to the nearest one.
$1.1$

Q. $0.004\times x\times 0.04=\mathrm{0.000016.}$ Find $x.$

1. $0.4$
2. $0.01$
3. $1$
4. $0.1$

Q. 149600 is equal to:

1. $1.496\times {10}^4$
2. $1.496\times {10}^5$
3. $1.496\times {10}^6$
4. $1.496\times {10}^7$

Q. What is 320, 000 in scientific notation?

1. 3.2 x 10⁶
2. 3.2 x 10⁴
3. 3.2 x 10^-5
4. 3.2 x 10⁵

Q. What is 320, 000 in scientific notation?

1. 3.2 x 10⁴
2. 3.2 x 10^-5
3. 3.2 x 10⁶
4. 3.2 x 10⁵

Q. What is the scientific notation of 320000?

1. 3.2 x 10^-5
2. 3.2 x 10^4
3. 3.2 x 10^6
4. 3.2 x 10^5