7. What is the prefix value for 100X?

hecto-

Explanation:

The prefix value of 100 is hecto therefore 100X can be called hecto-x.

Such prefixes as this are expressed in the order of tens. Units generally exists scientifically in multiples and submultiples form using prefixes.

For the multiples:

10 deca (da)

100 hecto (h)

1000 kilo (k)

1000000 mega (M)

1000000000 giga (G)

The 'centi 'is the prefix value for 100X

Explanation:

Kilo unit = 0.001 * unit

Hecto unit = 0.01 * unit

Deca unit = 0.1 * unit

unit = 1

deci unit = 10 * unit

centi unit = 100 * unit

milli unit = 1000 * unit

So, the prefix value for 100X will be: centi

100 X = centi X