23.

There

are

many

ways

to

write

"five

million."

You

can

write

"5,000,000," but that's a lot of 0's.

You can write "5 million," but that's

still pretty long.

Suppose we abbreviate "million" to "M."

Then we can

write 5______.

48.

Below, we have written the metric symbols out of sequence.

See if you

can write the correct value for each one, from memory.

K stands for _______________________

p stands for _______________________

m stands for _______________________

M stands for _______________________

stands for _______________________

n stands for _______________________

74.

If you multiply the denominator by 5, you must multiply the numerator

by

5.

If

you

multiply

the denominator

by

16,

you

must

multiply

the

numerator by ______________.

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