All change 3. Choose the best answer.
Perform the indicated calculation. You may use a calculator. Remember to round your answers according to the rules for significant figures.
25000 cm
x 500 cm
O 12,500,000 x 10 cm2
125.0 x 105 cm
O 12,500,000 cm?
O 0.00125 x 103 cm2
O 1 x 10 cm
4 Choose the best answer.
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Firstly, the water in the dams hold gravitational potential energy as they are above ground level. the gravitational potential energy is then transferred to kinetic energy as it falls, spinning the turbinethe turbine then spins the generator, which is a large magnet surrounded by metal coils. by doing this, the generator generates electricity. in this action, the energy transfer taken place is kinetic to electric energy

Ithink that the answer is b

Answertheir requirement for travel through the bloodstream.