Add 345 000 to 1.9 million - what is this answer expressed as scientific notion?

Convert 1/2 yard in inches

The Murphys are on vacation and want to go on a helicopter tour. The tour itself costs $125 per person and they also have to pay a fuel fee of $50. If there are four people in the family, how much will the tour cost them?

How to prank your substitute

Nicholas is driving a distance of 200 miles. He drives at a constant rate of 65 miles per hour.

What's the simplest for for 3/10

the sum of two times x and 3 times y is 5. the difference of x and y is 5 write two equations and fine the value of y

What is a example of a system

Explain how to use a model to find the quotient. 2 1/2 divided by 2

What is the square root of 30 in simplified form 5 x square root of 6 3 x square root of 5 3 x square root of 10 square root of 30 can not be simplified I will mark 1st answer brainliest

Twice a number plus twice a second number is 310. The difference between the numbers is 55. Find the numbers by writing and solving a system of equations. Explain how you solved the system.