Math Skills Challenge

How many significant figures are in the number 0.00456?

• 2

• 4

• 3

• 5

Convert 4500 to standard form.

• 450 x 10^1

• 4.5 x 10^2

• 4.5 x 10^3

• 45 x 10^2

Round 3.678 to two decimal places.

• 3.70

• 3.68

• 3.60

• 3.75

What is the ratio of 8 to 12?

• 3:4

• 2:3

• 1:2

• 4:5

If 3 apples cost $1.50, how much do 12 apples cost?

• $6.00

• $3.00

• $4.50

• $9.00

Identify the significant figures in 120.30.

• 5

• 3

• 4

• 6

Convert 0.00056 to standard form.

• 5.6 x 10^-4

• 5.6 x 10^4

• 56 x 10^-6

• 0.056 x 10^-2

Round 5.6789 to three decimal places.

• 5.680

• 5.678

• 5.670

• 5.679

What is the ratio of 15 to 25?

• 2 to 5

• 1 to 2

• 4 to 5

• 3 to 5

If 4 pencils cost $2, how much do 10 pencils cost?

• $3.00

• $5.00

• $6.00

• $4.00