significant figures, powers and standard form unit test

• 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

• 100

• 1

• 10

• 18

• 28

• 38

• no correct answer here ha ha ha

little Ming want to buy 1 cube to play but he want to know what is the volume this cube. The side length is 12.

• 1728.01

• 6

• 1728

• 1625

Who one is number one

• Lily is 8²

• sunny is 6³

• Somi is 7³

• Eric is 9²

Four people want to be The class president, whose the votes is the highest

• Cindy is 4× 4

• Tony is 8×8×8×8

• Elena is 8×8×8×8×8

Xiao Ming and his classmates had a dinner contest. Who was the first?