Liz is using the distributive property to evaluate the expression 27 (36) by using friendlier numbers. Her work is shown below.

Liz's Work

27 (36)

Step 1

27 (3 + 12)

Step 2

27 (3) + 27 (12)

Step 3

81 + 324

Step 4

405

What was the first error that Liz made?

Step 1 should have been 27 (6 + 30).

Step 2 should have been 27 (3) + 12.

Step 3 should have been 27 (30) (12).

Step 4 should have been 16,244.

Question

Mathematics

Karly Barajas

2 July, 21:10

Liz is using the distributive property to evaluate the expression 27 (36) by using friendlier numbers. Her work is shown below.

Liz's Work

27 (36)

Step 1

27 (3 + 12)

Step 2

27 (3) + 27 (12)

Step 3

81 + 324

Step 4

405

What was the first error that Liz made?

Step 1 should have been 27 (6 + 30).

Step 2 should have been 27 (3) + 12.

Step 3 should have been 27 (30) (12).

Step 4 should have been 16,244.

+2

Answers (2)

Know the Answer?

Georgia Cole · Answer 1

Remove the negative exponent by rewriting (127) - 23 127 - ⁢ 23 as 27 23 27 23. 27 23 27 23 Rewrite 23 23 as a product. Tap for more steps ... (27 13) 2 27 13 2 Simplify. Tap for more steps ... 32 32 Raise 33 to the power of 22 to get 99.

Nigel Goodwin · Answer 2

The answer is A. Step 1 should have been 27[6+30]