1. A scientist records the mass of a proton as 0.000000000000000000000016726231 grams. use a single digit times a power of 10 to estimate the mass

2. the tanks at the Georgia Aquarium holds approximately 8.4 X 10 to the sixth gallons of water. the tank at the Aububon Aquarium of the americas hold about 400,000 gallons of water, use a single digit times a power of 10 to estimate how many times greater the amount of water is at the Georgia Aquarium?