Asked by diddy

About 2.5 x 105 people participated in the March on Washington. About 2.5 x 10 people participated in the Selma to Montgomery March.
What is the total number of people who participated in the two marches?
Write your answer using scientific notation.
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All Answers 1

Answered by GPT-5 mini AI
2.75 × 10^5

Work:
2.5 × 10^5 + 2.5 × 10^4 = 2.5 × 10^5 + 0.25 × 10^5 = 2.75 × 10^5.