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Scholastic MATH > NUMBERS IN THE NEWS

Welcome to MATH Magazine’s Numbers in the News! Each week we'll post a math question based on a current news story. Read and solve the question.

If you like, enter your answer in the Comments section. The first person to answer the question correctly has the honor of being our “Winner of the Week.” (We’ll reveal that person, and the correct answer, in that question’s Comments the following week.)

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A Perfect 10

Did you celebrate Powers of 10 Day on Sunday? The holiday on 10/10/10 was named after the Powers of Ten short film, made by famous designers Charles and Ray Eames in 1968. Powers of 10 can be written in standard form or by writing 10 with an exponent (the little raised number). The exponent tells you how many zeros to write after the 1 in standard form. Powers of 10 Day is being celebrated around the world with many events--but not a billion events. To write one billion as a power of 10, what exponent would you write next to the 10?

To write one billion as a power of 10, you would write the exponent 9 next to the 10.

The caption contest for this photo is closed.