Question

The surface area of a rectangular prism is 42 cm2. What is the surface area of this prism, measured in mm2?

A.
420 mm2

B.
42,000 mm2

C.
0.42 mm2

D.
4200 mm2

Answer 1

please help

Answer 2

@SolomonZelman

Answer 3

Any ideas?

Answer 4

not C.

Answer 5

$$\huge cm^2 =(cm)^2$$

Answer 6

surface area of a rectangular prism is 42 cm^2

recall 1 cm = 10 mm

convert the units.

42 cm^2

= 42 * (10 mm)^2

= 42 * 100 mm^2

=4200 mm^2
i think

Answer 7

i'm not that smart

Answer 8

Correct.

Answer 9

thank you

Answer 10

Thanks for trying to understand :)

Answer 11

welcome

Answer 12

The volume of a prism is 2600 mm3. What is the volume of this prism, measured in cm3?

A.
2.6 cm3

B.
26,000 cm3

C.
0.26 cm3

D.
26 cm3

Answer 13

Same idea, right?

Answer 14

no

Answer 15

i don't get this one @SolomonZelman and @skullpatrol