So,
Optimally, we want a number between 1 and 10 multiplied by a power of ten.
If we move the decimal place 6 places to the right, we get 6.
So we want

.
The correct option is C.
Multiply 64 and 12 three times and 64 ×12=? then ?×3=?
9.75 * 1.2 = 11.7
24.5 * .8 = 19.6
11.7+19.6= 31.3 minutes
hope this helped :)
8.9 x 10^-5 in scientific notation
Answer: (-2, 1)
Step-by-step explanation: