Carbon-14 has a half-life of 5,730 years. in how many years will 120 grams of carbon-14 decay to 15 grams? 11,460 years 17,190 years 22, 920 years 28,650 years

The approximate distance from earth to the moon is 240 thousand miles. the approximate distance from earth to the sun is 93 million miles. in standard notation, the approximate distance from the sun to earth is miles greater than the approximate distance from earth to the moon. in scientific notation, the distance is m × 10n, where m is and n is .