6 - why might the projections you made regarding when the US will reach 500 million persons be inaccurate? Group of answer choices because we do not have calculators than can precisely estimate the true value of exponents because the US may implement policies that would alter the migration, fertility, or mortality behaviors, which would alter the rate of growth during the time interval between now and 2127 because we do not have age specific fertility behaviors for women born after the year 1999 because death certificates have not been accurate for these types of estimates since 1954