444. IU 5. Which number is most significant? 456.2, 459. 456.222 )
(2 Points)
459
456.2
456.222

That is the third one ：

456.222

because it has the most numbers 4,5,6 and point . 2,2,2

1. 2.11 X10^8

2. B. 1.95 X 10^-2

Step-by-step explanation: Problem 1

is equal to 211000000 which has 8 numbers after 2. So the 10 would be to the 8th power for 2.11.

Problem 2 is equal to 0.0195.

To get it to 1.95 you’re only moving the decimal 2 places, so it’s 10 X -2.