Question

When 4.870 × 10–3 is correctly converted to its standard form the number becomes

Answer 1

you move the decimal place 3 places to the left (hence the negative sign) which means you add zeros in the front of the decimal. so, 0.004870 would be the standard form.
because the decimal place moved 3 to the left, adding zeros every jump it makes

Answer 2

thank you