PLEASE HELP MEEEEE!!!! I WILL GIVE YOU BRAINLIST AND POINTS
1 answer:
When you multiply numbers with the same base and exponents, you just add the exponents together. In the case of the first question:
*
=
When dividing, subtract the exponents instead, and when there's an exponent outside the parentheses the way it is on the 3rd question, multiply them together.
Hope this helps! :)
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<h2>Explanation:</h2>
Here we know that at 3:17 pm you started to bake the cake. The total revolution the minute hand on the clock makes is:
We know that:
Solving for x:
So it takes 70 minutes after you put the cake in the oven. But:
Adding this to the initial time:
Finally, the cake is done at 4:27 pm, option C.