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Mathematics, 02.09.2020 14:01, koss929
Santiago tried to evaluate an expression step by step. (4⋅109)⋅0.00003=(4⋅109)⋅(3⋅10−5)Ste p 1=(4⋅3)⋅(109⋅10−5)Step 2=12⋅1014Step 3\qquad\begin{aligned} &(4 \cdot 10^9) \cdot 0.00003 \\ =&(4 \cdot 10^9) \cdot (3\cdot10^{-5})&\green{\text{St ep } 1} \\ =&(4\cdot3)\cdot(10^9\cdot10^{- 5})&\blue{\text{Step } 2} \\ =&12 \cdot10^{14}&\purple{\text{Step } 3} \end{aligned}===(4⋅109)⋅0.00003(4⋅1 09)⋅(3⋅10−5)(4⋅3)⋅(109⋅10−5)12⋅1014 Step 1Step 2Step 3 Find Santiago's mistake. Choose 1 Choose 1 (Choice A) A Step 1\green{\text{Step }1}Step 1start color #28ae7b, start text, S, t, e, p, space, end text, 1, end color #28ae7b (Choice B) B Step 2\blue{\text{Step }2}Step 2start color #6495ed, start text, S, t, e, p, space, end text, 2, end color #6495ed (Choice C) C Step 3\purple{\text{Step }3}Step 3start color #9d38bd, start text, S, t, e, p, space, end text, 3, end color #9d38bd (Choice D) D Santiago did not make a mistake.
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Santiago tried to evaluate an expression step by step. (4⋅109)⋅0.00003=(4⋅109)⋅(3⋅10−5)Ste p 1=(4⋅3)...
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