Adding and Subtracting with Sig Figs

What is the sum of 3.35 + 1.4 + 3.65?

• 8.4

• 8.40

• 8

• 8.0

0.001 + 9.234 =

• 9.2

• 9.23

• 9.235

• 9

33 g - 2.1 g =

• 31 g

• 30.9 g

• 30.90 g

• 32 g

0.495 - 0.1 =

• 0.395

• 0.40

• 0.4

• 0.3

When adding 34.530 + 12.1 + 122.34, the final answer will have

• 1 decimal place

• 2 decimal places

• 3 decimal places

• 4 decimal places

7.987 - 0.54 =

• 7.447

• 7.45

• 7.5

• 7

345.009 - 23.009 =

• 322.000

• 322.00

• 322.0

• 322