Question

1. Kylie has an idea for how to calculate 23 x 23. She says, Twenty times 20 is 400, and 3 times 3 is 9, which is 409. Is Kylie's method valid? If not, how could you modify her work to make it correct? Don't just start over in a different way; work with Kylie's idea. Use the large square below, which consists of 23 rows with 23 small squares in each row, to help you explain your answer. (15 pts)

          1. Kylie has an idea for how to calculate 23 x 23. She says, Twenty times 20 is 400, and 3 times 3 is 9, which is 409.
Is Kylie's method valid? If not, how could you modify her work to make it correct? Don't just start over in a different way; work with Kylie's idea. Use the large square below, which consists of 23 rows with 23 small squares in each row, to help you explain your answer. (15 pts)

1. Kylie has an idea for how to calculate 23 x 23. She says, Twenty times 20 is 400, and 3 times 3 is 9, which is 409.
Is Kylie's method valid? If not, how could you modify her work to make it correct? Don't just start over in a different way; work with Kylie's idea. Use the large square below, which consists of 23 rows with 23 small squares in each row, to help you explain your answer. (15 pts)

Added by Jamie P.

Calculus: Early Transcendentals

James Stewart 8th Edition

Instant Answer

Solved by Expert Madhur L

04/24/2023

Step 1

First, we can break down the multiplication as follows: $23 \times 23 = (20 + 3) \times (20 + 3)$ Now, we can use the distributive property to expand this expression: $(20 + 3) \times (20 + 3) = 20 \times 20 + 20 \times 3 + 3 \times 20 + 3 \times 3$ Now, we can Show more…

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1. Kylie has an idea for how to calculate 23 x 23. She says, Twenty times 20 is 400, and 3 times 3 is 9, which is 409. Is Kylie's method valid? If not, how could you modify her work to make it correct? Don't just start over in a different way; work with Kylie's idea. Use the large square below, which consists of 23 rows with 23 small squares in each row, to help you explain your answer. (15 pts)