GMU2AOS4 Measurement Revision

The area of a rectangle is 36 cm². What could the length and width of the rectangle?

• 6 cm and 5 cm

• 5 cm and 4 cm

• 18 cm and 2 cm

• 4 m and 8 m

What is the perimeter of this rectangle?

• 21 units

• 12 units

• 3 units

• 12 cm

How many sig. fig. are in the number below:
350.540

• 4
• 5
• 6
• 7

Convert the following to scientific notation.

0.000480

• 4.8 x 10^-4

• 4.80 x 10^-4

• 48 x 10^-5

• 4.80 x 10⁴

Round 1047.78 to three sig figs

• 104
• 105
• 1050
• 1050.00

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

64,600,000 cm = ____ km

• 646

• 64.6

• 6,460

• 6.46

• 64,600

The distance around an object is called the 

• area
• perimeter

The space inside an object is called it's

• area
• perimeter

Which of the following formulas is used to find the area of a circle?

• A = πr²

• A = l⋅w

• A = b⋅h/2

• A = 2πr