1. Write the number in standard form. 7.1 * 10^4

A. 710
B. 7,100
C. 71,000 ***
D. 710,000

2. 5.01 * 10^-3

A. 5,010
B. 0.501
C. 0.0501
D. 0.00501 **

3. Select all of the numbers that are correctly written in scientific notation. (2 answers)

A. 42 * 10^5
B. 1.1 * 10^4 ***
C. 7 * 20^4
D. 6.01 * 10^-4 ***
E. 18 * 10^3

4. Multiply (2*10^4)(3*10^3)

A. 6*10^7 ***
B. 6*10^12
C. 6*10^5
D. 6*10^1

5. Add (7*10^6)+(2*10^6)

A. 9*10^4
B. 9*10^12
C. 9*10^6 ***
D. 9*10^10

Let me know if I got any wrong.

1 answer

all correct.