# Module 2 Arithmetic Problem Involving Addition or Subtraction Questions

• February 05, 2022/

### Description

• Correctly report your answer to an arithmetic problem involving multiplication or division
• Correctly report an answer to a problem in which addition or subtraction and multiplication or division are mixed.

INSTRUCTIONS

Below you will find several arithmetic problems using measured values.  Working through these problems will give you a chance to make sure you understand the rules of arithmetic with measured values. (Links to an external site.)  Be sure to submit this discussion by 16 Dec.

After you report each answer, give a one or two sentence explanation of why you  reported your answer as you  did.   You  might refer to Module 2 (Measurement in Chemistry) to help you with your explanations.

You can refer to the rubric to see how the discussion post will be graded.

1.  (34.56 cm) * (10.00 cm)*(4.95 cm) = _____________cm3

Explanation:

2.  56.79 cm + 1.458 cm + 116 cm = _____________cm

Explanation

3.  3410 m + 89.54 m + 11,000 m = ____________m   (Consider ambiguous zeros as non-significant)

Explanation:

4.  (123.54 cm – 121.91 cm) * (0.5487 cm) = _________________cm2

Explanation: