Multiplication of a Whole Number with Powers of 10

Q. The value of $5\times {10}^5$ is
.

1. $500,000$
2. $5,000,000$
3. $50,000$

Q.

Write the product using exponents.

$2•2•2•\mathrm{n}•\mathrm{n}$

Q. The hourly wages of Joran is 30 dollars. How much will he be paid for 100 hours?

1. 3, 000 dollars
2. 300 dollars
3. 30, 000 dollars
4. 30 dollars

Q. The estimated income in an online shop is 1, 000 dollars per day. Find how much will the income be for 100 days.

1. 1, 000 dollars
2. 10, 000 dollars
3. 100, 000 dollars
4. 1, 000, 000 dollars

Q. The price of a teddy bear is 30 dollars. An online shop placed an order for 1, 000 such teddy bears. Which of the following gives the price of 1, 000 teddy bears?

1. 30, 000 dollars
2. 3, 000 dollars
3. 300, 000 dollars
4. 300 dollars

Q. The value of $3\times 4\times {10}^3$ is

Q. Alacey bought a notebook for 20 dollars. If there are 100 students in Grade 8, find the amount needed to buy such a notebook for each student?

1. 2, 000 dollars
2. 200 dollars
3. 20 dollars
4. 20, 000 dollars

Q. What is the value of $6\times {10}^2$?

1. $60$
2. $600$
3. $6,000$
4. None of the above

Q. Match the following results.

1. $530$
2. $53$
3. $230,000$
4. $470$

Q. The average electricity consumption in US households is 800 kilowatt hours (KWh) per month. How much electricity will be used for 1 million homes?

1. 800, 000, 000 KWh
2. 80, 000, 000 KWh
3. 8, 000, 000 KWh
4. 800, 000 KWh

Q. The number of pages printed in 10 minutes is 100. Find the number of pages printed in 1, 000 minutes.

1. 100, 000
2. 10, 000
3. 1, 000
4. 1, 000, 000

Q. The power $(?)$ of $10$ that makes the following equation true is .
$3\times 7\times {10}^{?}=210$

1. $0$
2. $1$
3. $2$
4. $3$
5. $4$

Q. A school spends 40 dollars for a student to buy stationaries. If there are 1, 000 students, how much does the school pay?

1. 40, 000 dollars
2. 4, 000 dollars
3. 400 dollars
4. 400, 000 dollars

Q. Price of a chair is 40 dollars. Find the cost of 100 such chairs.

1. 4, 000 dollars
2. 400 dollars
3. 40, 000 dollars
4. 1004 dollars

Q.

Fill in the blanks:

$.................=5.006\times {10}^{10}$