Chemistry Practice Unit 1 Module 4

Find the sum 3.35 + 1.4 + 3.65

ROUND TO THE CORRECT NUMBER OF SIG FIGS.

Mathematical Equivalence

ON

86.04 + 4.04 = ?

ROUND TO THE CORRECT NUMBER OF SIG FIGS.

Mathematical Equivalence

ON

33 g - 2.1 g = ?

ROUND TO THE CORRECT NUMBER OF SIG FIGS.

Mathematical Equivalence

ON

0.495 g - 0.101 g = ?

ROUND TO THE CORRECT NUMBER OF SIG FIGS.

Mathematical Equivalence

ON

Calculate 1.23 m x 0.89 m = ?

ROUND TO THE CORRECT NUMBER OF SIG FIGS.

Mathematical Equivalence

ON

Calculate 923 g ÷ 20312 cm³  = ?

ROUND TO THE CORRECT NUMBER OF SIG FIGS.

Mathematical Equivalence

ON

Complete the following calculations. Round off your answers as needed.

245.01 km x 2.1 km

Mathematical Equivalence

ON

Solve, and round using Sig Fig math rules:

12.5-mL + 20.05-mL + 2.69-mL

Mathematical Equivalence

ON

153.89

Round to 2 significant figures.

0.0015289

Round to 3 significant figures.