Question
Answer
$$-6i\cdot(-10)=60i$$
Explanation
| $$ \begin{aligned}-6i\cdot(-10)& \xlongequal{ }--60i \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}60i\end{aligned} $$ | |
| ① | Remove the parentheses by changing the sign of each term within them. $$ - \left(-60i \right) = 60i $$ |
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