How is the number 860,000 written in scientific notation? A. 8.6 x 106
B. 8.6 x 107
C. 86 x 106
D. 8.6 x 105

Trumpeter a holds a b-flat note on the trumpet for a long time. person c is running towards the trumpeter at a constant velocity. person b is running away from the trumpeter at the same rate. person d is standing still the whole time. which person hears a frequency that is lower than the b-flat?

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

=force × distance a. work b. velocity c. pressure d. momentum