Answer:
-7
Step-by-step explanation:
3 v + 2 x
3 ( - 1) + 2 ( -2)
-3 - 4
-7
No they are not equivalent
Answer:
14
Step-by-step explanation:
A shorthand method of writing very small and very large numbers is called scientific notation, in which we express numbers in terms of exponents of 10. To write a number in scientific notation, move the decimal point to the right of the first digit in the number. Write the digits as a decimal number between 1 and 10.
