Which of the following symbols represents "Mega-meters"?

A Mm

B mm

C mM

D cm

2

1

1 hour = _______________ seconds

A 2400

B 1200

C 3600

D 4200

3

1

Convert 728400000 to Scientific Notation.

A 0.000007284

B 7.284 x 10 ^ 8

C 7.284 x 10 ^ 12

D 7.284 x 10 ^ -8

4

1

Convert 3.1 x 10 ^ 4 to standard notation.

A 31000

B 31000000

C 3100

D 0.000031

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