Question

2/5-3/7+5/14-4/15 solve and give reasons​

Answer 1

Answer:

Answer:

9.Kilometers Meters

0.2 km 200 m

0.3 km 300 m

0.4 km 400 m

0.5 km 500

10.1000

Step-by-step explanation: reason

11.Multiplying 103 negative integers will yield a negative integer, whereas 65 positive integers will give a positive integer. The product of a negative integer and a positive integer is a negative integer.

12..The rules when writing a number in standard form is that first you write down a number between 1 and 10, then you write × 10(to the power of a number). On a calculator, you usually enter a number in standard form as follows: Type in the first number (the one between 1 and 10)