Use scientific notation to determine the answer.
(2.5 x 103 )(6 x 10) =

15,000 or 1.5 x 10^4

Step-by-step explanation:

First you put 2.5 x 10^3 in expanded form which is 2,500. Second you put 6 x 10 in expanded form which is already in expanded form, which is 6. Lastly you multiply 2,500 times 6 to get your answer of 15,000 which you either keep the same or change to scie tific notation

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x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x