Science!! Test Corrections- Help Please =D ?

1~ Which SI prefix means one one-hundredth (1/100)

a.) physies and chemistry

b.) biology, zoology, and ecology

c.) medicine and agriculture

d.) life, physical, and Earth science

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2~ A scientific theory in an explanation that

a.) has been published in a journal or book

b.)predicts what will happen.

c.)has been tested by many observations.

d.) a scientist has tested with an experiment.

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3~ The decimal equivivalent of 10 to the power of -2 is

a.) 100

b.) 10

c.) 0.1

d.) 0.01

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4~ Using scientific knowledge for practical applications is called ________.

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5~ Astromamers use ___________ to magnify distant objects.

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6~ A possible answer to a scientific problem is a(n) _________.

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7~ Length, mass, time and temperature are four of the seven SI _________.

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8~ In the SI system, the prefix ___________ means one billion.

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9~ Any factor in an experiment that can change is referred to as a(n) _________.

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~~~~~~~~ Thanx SOOOO Much to anyone who can answer even one of these problems even if your not sure if it's right~~~~~~~~~~~~~~