Quiz about Y9 2023 Standard Form

Question 1

Which of the number is written in standard form?

Accepted Answer

$$3 imes10^{-4}$$

Answer

$$50 imes10^3$$

Answer

$$3 imes10^{2.1}$$

Answer

$$0.9 imes10^2$$

Question 2

Which of the number is NOT written in standard form?

Accepted Answer

$$12 imes10^8$$

Answer

$$5 imes10^{-3}$$

Answer

$$3.3 imes10^7$$

Answer

$$1.9 imes10^{-26}$$

Question 3

Which of the number is equal to $$5.5 imes10^4$$ ?

Accepted Answer

$$55000$$

Answer

$$550$$

Answer

$$55400$$

Answer

$$550000$$

Question 4

Write 400000 in standard form

Accepted Answer

$$4.0 imes10^5$$

Answer

$$400 imes10^3$$

Answer

$$0.4 imes10^6$$

Answer

$$4 imes100^5$$

Question 5

Write 0.07 in standard form

Accepted Answer

$$7 imes10^{-2}$$

Answer

$$7 imes10^2$$

Answer

$$-7 imes10^2$$

Answer

$$0.07 imes10^1$$

Question 6

Write $$800 imes10^4$$ in standard form

Accepted Answer

$$8 imes10^6$$

Answer

$$80 imes10^5$$

Answer

$$0.8 imes10^7$$

Answer

$$8000 imes10^3$$

Question 7

Write $$3 imes10^4+6 imes10^5$$ in standard form

Accepted Answer

$$6.3 imes10^5$$

Answer

$$9 imes10^5$$

Answer

$$6.3 imes10^4$$

Answer

$$3.6 imes10^5$$

Question 8

Write $$3 imes10^2 imes6 imes10^5$$ in standard form

Accepted Answer

$$1.8 imes10^8$$

Answer

$$9 imes10^5$$

Answer

$$3.6 imes10^5$$

Answer

$$18 imes10^7$$

Question 9

Write the number 3200 in standard form.

Accepted Answer

3.2 x 103

Answer

32 x 102

Answer

3.2 x 102

Answer

3.2 x 10⁴

Question 10

Write the number 45 000 000 in standard form.

Accepted Answer

4.5 x 10⁷

Answer

4.5 x 10⁶

Answer

45 x 107

Answer

4 x 108

Question 11

Write this as an ordinary number: 5.6 x 10³

Accepted Answer

5600

Answer

560

Answer

0.56

Answer

56000

Question 12

Write this as an ordinary number: 4.03 x 10⁵

Accepted Answer

403 000

Answer

4 030 000

Answer

40 300

Answer

400 000

Question 13

Which is the standard form of four million, two hundred twenty nine thousand, seven hundred four?

Accepted Answer

4,229,704

Answer

4,209,274

Answer

42,009,704

Answer

400,229,704

Question 14

Which number has the commas in the right places?

Accepted Answer

3,326,385

Answer

3,326,3,85

Answer

33,263,85

Answer

3,32,63,85

Question 15

What is standard form?

Accepted Answer

A system of writing

very large or very small numbers

Answer

Writing numbers as a

calculator writes numbers

Answer

Writing numbers as decimals

Question 16

True or False:

When writing

a number in standard form,

the first number must be

greater than 1 but less than 10.

Accepted Answer

TRUE

Answer

FALSE

Question 17

How do you write
1001
in scientific notation?

Accepted Answer

1.001 x 10³

Answer

1.0001 x 10⁴

Answer

1.01 x 10⁵

Answer

10.1 x 10³

Question 18

The rule of scientific notation is to write all exponents with a base of ____.

Accepted Answer

10

Answer

50

Answer

5

Answer

100

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