Sachi has 238 rocks in her collection. She finds 47 more rocks. Then she gives 159 rocks to her brother. She solves this equation 238 + 47 – 159 = r. She says, “I have 126 rocks left.”

1. Is Sachi’s answer reasonable?

2. How do you know?

3. Use estimation to check her work.

Show your work. There are three parts to your answer. Be sure to share your estimation strategy.

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents

sure i'm up for it

step-by-step explanation:

cant see photo

step-by-step explanation:

answer: (x+2) (x+3) are the binomials for your question : )