Answer true or false for each statement. If the statement is false, explain. a) If a number in scientific notation has a negative exponent, then the number is negative.
b) A number that is at least 1 but less than 10 cannot be written in scientific notation.
c) A negative exponent in the scientific notation form means that the size of the number is less than 1.
d) In scientific notation, if the exponent on the 10 is 6, then the number is in the millions.

replace   with   27   and simplify.

10 , 27 , 10 , 70 , 10 , 35 , 10 , 48

step-by-step explanation:

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)

6 adults and 9 children went.

a + c = 15

12a + 9c = 153

12(6) + 9(9) = 153

72 + 81 = 153