about how much energy did china and the united states consume in 2010? which of these expressions is…

about how much energy did china and the united states consume in 2010? which of these expressions is equivalent to (1×10^{20})+(1×10^{20})? primary energy consumption for top 5 countries in 2010\ncountry energy consumed in 2010 (joules)\nchina 1.06×10^{20}\nu.s. 1.03×10^{20}\nrussia 3.09×10^{19}\nindia 2.31×10^{19}\njapan 2.30×10^{19}\n(1 + 1)×10^{20}\n(1 + 1)×(10^{20}+10^{20})\n(1 + 1)×10^{20}·20

about how much energy did china and the united states consume in 2010? which of these expressions is equivalent to (1×10^{20})+(1×10^{20})? primary energy consumption for top 5 countries in 2010\ncountry energy consumed in 2010 (joules)\nchina 1.06×10^{20}\nu.s. 1.03×10^{20}\nrussia 3.09×10^{19}\nindia 2.31×10^{19}\njapan 2.30×10^{19}\n(1 + 1)×10^{20}\n(1 + 1)×(10^{20}+10^{20})\n(1 + 1)×10^{20}·20

Answer

Explanation:

Step1: Apply distributive property

According to the distributive property (a\times c + b\times c=(a + b)\times c). Here (a = 1), (b = 1) and (c=10^{20}), so ((1\times10^{20})+(1\times10^{20})=(1 + 1)\times10^{20}).

Answer:

((1 + 1)\times10^{20})