PLEASE HELP ! Expand the following numbers ;

1.) 1.23 x 10^0

2.) 1.54 x 10^4

3.) 2.5 x 10^-3

4.) 5.67 x 10^-1

5.) 1.00 x 10^8

6.) 1.00 x 10^-8

1. 1.23

2. 15400

3. 0.0025

4. 0.567

5. 100000000

6. 0.00000001

Step-by-step explanation:

you just move the decimal point left for negative and right for positive

54

step-by-step explanation:

6x9

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40