petersmarshall589 petersmarshall589

13-09-2022
Mathematics

contestada

write an expression as a number in scientific notation

(7 x 10³)(5.4 x 10⁴)/ 9 x 10² ?

4.2x10¹⁰
3.4x10¹⁰
4.2x10⁵
3.4x10⁵

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