Question

What is 5.5×10^4 multiplied by 2.2×10^−8 ? Write the answer in scientific notation.(1 point)
1.21×10^−4
1.21×10^−5
1.21×10^−3
12.1×10^−4

Answer 1

When multiplying two numbers in scientific notation, what operations do you use on the coefficients and the exponents of the powers of 10?(1 point)
Multiply the coefficients and multiply the exponents of the powers of 10.
Add the coefficients and add the exponents of the powers of 10.
Multiply the coefficients and add the exponents of the powers of 10.
Add the coefficients and multiply the exponents of the powers of 10.

Answer 2

1.21×10^−3

Answer 3

When multiplying two numbers in scientific notation, you should multiply the coefficients and add the exponents of the powers of 10.