Estimating Numbers Using Powers of 10

Multiple Choice

Write the expression 42,300 as a multiple of a power of 10.

• 4.23 x 10^3
• 42.3 x 10^3
• 423 x 10^2
• 4.23 x 10^4

Multiple Choice

Write the expression 2,000 as a multiple of a power of 10.

• 2 x 10^2
• 2 x 10^3
• 20 x 10^2
• 200 x 10^1