The general form for a number written in scientific notation would be a x 10^n. <span> where a must be between 1 and 10, and n must be an integer. This type of form is useful when dealing with very large numbers or very small numbers. Hope this answers the question. Have a nice day.</span>
Answer:
they got -21 when they were supposted to get +21
and they also got +6x when they were supposted to get -6x
Step-by-step explanation:
that's because -3 and 2x are multiplied together and when you are multiplying negative and positive number you need to get negative result.
when you are multiplying negative with negative number, you will get positive number.
Answer:
1and4, 2and3, 5and8, 7and6
Step-by-step explanation:
Answer:
Step-by-step explanation:
- 4x + 1.3 = -7.9
- 4x = -7.9 - 1.3
- 4x = -9.2
- x = -9.2/4
- x = - 2.3
