Find the area of the following figures formed by rectangles.
(a) (b) (a+b) ► 2x 2p - 3p b- 9x + 2 K-2x5y - 2p + q* 2x Via 2y 4y- VIw --- (h) T (1) 3m х
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.
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