Josiah used the distributive property to simplify the multiplication problem 9 * 4.7. Which of the following statements is true about his work? 9 * 4.7 9 * (4 + 0.7) 9 * 4 + 9 * 0.7 36 + 9 * 0.7 36 + 0.63 36.63 He did everything correctly. He A. didn't follow the order of operations. He added 36 and 0.63 incorrectly. B. He multiplied 9 and 0.7 incorrectly. He did everything correctly.

C. He didn't follow the order of operations.

D. He added 36 and 0.63 incorrectly.

E. He multiplied 9 and 0.7 incorrectly.

Question

Twig

Mathematics

28 June, 09:18

Josiah used the distributive property to simplify the multiplication problem 9 * 4.7. Which of the following statements is true about his work? 9 * 4.7 9 * (4 + 0.7) 9 * 4 + 9 * 0.7 36 + 9 * 0.7 36 + 0.63 36.63 He did everything correctly. He A. didn't follow the order of operations. He added 36 and 0.63 incorrectly. B. He multiplied 9 and 0.7 incorrectly. He did everything correctly.

C. He didn't follow the order of operations.

D. He added 36 and 0.63 incorrectly.

E. He multiplied 9 and 0.7 incorrectly.

+5

Answers (1)

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Chief · Answer 1

9 * 4.7

= 9 * 4.7

= 9 * (4 + 0.7)

= 9 * 4 + 9 * 0.7

= 36 + 9 * 0.7

= 36 + 6.3

= 42.3

answer

He did everything correctly.

E. He multiplied 9 and 0.7 incorrectly.