Exponents

Q. What is 3 raised to the power 4?

Q.

Write $3125$ in exponential form & identify the base & exponent.

Q. Arrange the following decimals in descending order:
2.3, 0.5, 0.6, 9.8

1. 2.3, 9.8, 0.5, 0.6
2. 9.8, 0.5, 2.3, 0.6
3. 9.8, 2.3, 0.5, 0.6
4. 9.8, 2.3, 0.6, 0.5

Q.

Write the following in exponential form : $\mathrm{a}\times \mathrm{a}\times .......21\mathrm{times}$

Q. Choose the incorrect option :

1. $4^1=1$
2. $0^4=0$
3. $1^4=1$
4. $4^1=4$

Q.

Write the following in exponential form.

$5\times 5\times 5\times 5\times n\times n\times r\times r\times r\times r\times r$

Q. Which of the following is not equal to 81?

1. $9^2$
2. $3^4$
3. ${81}^1$
4. $5^3$

Q. Find the product of the given numbers using a suitable rearrange ment
2*196*50

Q. The length of typical airline runway is 8200 feet. The length in scientific notation is ft

1. 8.2x${10}^3$
2. 82.2 x${10}^2$
3. 4.1x${10}^2$
4. 8.2x${10}^2$

Q.

Write the following in exponential form.

$d\times d\times d\times e\times e\times f$

Q. Rebecca was gifted a magical plant. On first day, its length was 5 inches, on second day its length was 25 inches and in same way, each next day its height was 5 times that of previous day. What would have been height of the tree on $4^{th}$ day?

1. $125\text{in}$
2. $250\text{in}$
3. $625\text{in}$
4. $3125\text{in}$

Q. Which of the following equals $4^3-3^3$?

1. $6^2+1$
2. $6^2-1$
3. $57$
4. $62$

Q. Write the following decimal in descending order
$0.2,0.002,2.2,2.02,0.22,0.02$

Q. In power notation form, $8\times 8\times 8\times 8\times 8\times 8$ is represented as $8^6$.

1. True
2. False

Q. Arrange the following decimals in descending order:
$34.3,344.34,4.34,4.43,3.44$

Q.

Write the exponential form of $x\times x\times x\times y\times y\times z$

Q.

Write the following in exponential form.
$h\times h\times h\times h\times 4\times q\times q$

Q. 0.4 part of a 9.3 g ornamental chain is made of gold. If the chain is cut into 6 equal pieces. how much gold is there in each piece?

Q. $5\times 5\times 5\times 5\times 5\times 5\times 5\times 5$ can be represented as

1. $5^7$
2. $5^9$
3. $5^8$

Q. Product of XII and L in numerical form is?

1. 600
2. 310
3. 620
4. 2447

Q. Find $(3^o+4^{-1})\times 2^2$

Q. At Shimla, the temperature was $-7^{0}C$ on Tuesday.It then dipped by $3^{0}C$ on Wednesday.On Thursday, it rose by $6^{0}C$.What was the temperature of Shimla on Wednesday and Thursday respectively?

1. $-4^{0}C,-{10}^{0}C$
2. $-{10}^{0}C,-4^{0}C$
3. $-{12}^{0}C,-8^{0}C$
4. $-{10}^{0}C,-{40}^{0}C$

Q. Which of the following decimals are arranged in ascending order?

1. $0.5,0.42,0.382$
2. $11.001,11.1,11.21$
3. $8.9,8.86,8.094$
4. $20.3,30.02,23.25$

Q. Identify the base and exponents in ${45}^{12}$

1. Base - 45, exponent - 12
2. Base - 12, exponent - 45