Multiple and sub-multiples of units

Question 1

What is a standard form in mathematics?

Answer 1

A system for writing large numbers as a number between 1 and 10 multiplied by a power of ten.

This helps in representing very large or small numbers conveniently.

Question 2

Convert 4,400,000,000,000 m to standard form.

Answer 2

4.4 × 10^12 m

This represents the distance from the Sun to Pluto in standard form.

Question 3

Convert 7,300,000,000,000 m to standard form.

Answer 3

7.3 × 10^12 m

This represents another measurement of the distance from the Sun to Pluto in standard form.

Question 4

What unit prefix corresponds to 1,000,000,000,000?

Answer 4

tera-

The abbreviation for tera- is T.

Question 5

What is the abbreviation for mega-?

Answer 5

M

Mega- corresponds to a power of ten of 6.

Question 6

What is the prefix for 1,000?

Answer 6

kilo-

The abbreviation for kilo- is k.

Question 7

What is the power of ten for the prefix milli-?

Answer 7

-3

Milli- represents 0.001.

Question 8

Which is larger: 360 kV or 3.6 MV?

Answer 8

3.6 MV

360 kV = 360,000 volts and 3.6 MV = 3,600,000 volts.

Question 9

What is the power of ten for the prefix centi-?

Answer 9

-2

Centi- represents 0.01.

Question 10

What is the prefix for 0.000001?

Answer 10

micro-

The abbreviation for micro- is μ.

Question 11

Convert 4,400,000,000,000 m to terametres.

Answer 11

4.4 Tm

This is another representation of the distance from the Sun to Pluto.

Question 12

Fill in the blank: 1,000,000,000 is abbreviated as _______.

Answer 12

G

Giga- corresponds to a power of ten of 9.

Question 13

Fill in the blank: 0.000000001 is abbreviated as _______.

Answer 13

n

Nano- corresponds to a power of ten of -9.