Write down the LCM of the following numbers, give your answer in exponential form. A=a^3×b^2×c
B=a^5×b×c^4×d

Planet earth has a mass of 5.9726x10²⁴ kg.then: 5.9726x10²⁴ kg=100% of the total earth mass.if the water´s mass=5x10-4 % of the total mass, we can solve this problem by the rule of three.5.9726x10²⁴ %*10⁻⁴ %x=(5.9726x10²³ kg)(5*10⁻⁴  %) / 100 %=2.9863x10¹⁹ kganswer:   the mass of the planet´s water would be   2.9863 x 10¹⁹ kg.

You answer are correct is it j+50

3you can not round up to four, as there was not a full payment for the fourth night, so uou would round down to 3