Base

Q.

The scientific notation for $0.00016$ is _________.

Q.

Write the number in scientific notation.

$800,000$

Q.

Write the number in scientific notation.

$0.00036$

Q.

Fill in the blanks to make the statement true: $1million={10}^{{}^{\boxed{}}}$

Q.

Write the numbers in scientific notation.

$0.0004$

Q.

How do you write $673.5$ in scientific notation?

Q.

WRITING NUMBERS IN SCIENTIFIC NOTATION

Write the number in scientific notation.

$0.000000084$

Q.

Simplify and express the answer in exponential form

$({\left(7^2\right)}^4\times 7^8)÷{\left(7^4\right)}^2$

1. $7^2$
2. $7^4$
3. $7^8$
4. $7^{16}$

Q.

Write the number in scientific notation.

$79,200,000$

Q. Write 0.00000046 in scientific notation.​

1. $4.6\times {10}^{-8}$
2. $4.6\times {10}^{-7}$
3. $4.6\times {10}^{-8}$
4. $4.6\times {10}^{-7}$

Q. In 2n, 2 is known as the

1. base
2. exponent
3. constant

Q.

Find the value of 'n' if ${\left(a^m\right)}^{2n}=a^{2m}$. Find the numerical value of $a^{2m}$ if a=2 and m=4. [4 MARKS]

Q.

Simplify and express the following in exponential form
$({\left(7^2\right)}^4\times 7^8)÷{\left(7^4\right)}^2$

1. $7^2$
2. $7^4$
3. $7^8$
4. $7^{16}$

Q.

MULTIPLYING AND DIVIDING IN SCIENTIFIC NOTATION

Find the product or quotient. Write your answer in scientific notation.

$(6.5\times {10}^8)\times (1.4\times {10}^{-5})$

Q.

$2^5=4^3$

1. True

2. False

Q.

Simplify and express the following in exponential form
$({\left(7^2\right)}^4\times 7^8)÷{\left(7^4\right)}^2$

1. $7^4$
2. $7^8$
3. $7^2$
4. $7^{16}$

Q. The exponent of $2$ in $x=20\times 19\times 18\times ...\times 11$ is

1. 8
2. 10
3. 12
4. 14

Q.

Represent ${(-7)}^3\times a^3\times b^3$ as a single exponent.

Q.

Simplify and express the following in exponential form
$({\left(7^2\right)}^4\times 7^8)÷{\left(7^4\right)}^2$

1. $7^2$
2. $7^4$
3. $7^8$
4. $7^{16}$