Why is scientific notation used?

A. to round numbers to the nearest whole number

B. to promote reproducibility of data

C. to increase the validity of data

D. to express very large or very small numbers

A leopard can't change its spots

Solve for y=7x-3w for x

9y-5x=20 i dono how to do this x and y intercwpt thingy

What's the opposite of the opposite of 2?

If ps=36, pq=3x+5, qr=6x-10, rs=36, then pr=

Can 3 gallons and 5 tons be expressed as a ratio?

After eating at a restaurant alex bill before tax is 78 the sales tax rate is 8% Alex decides to leave a 20 % tip based on the pre - tax amount how much money will alex pay in total including the tip and tax

Which is the smallest 5 digit number that ends in 9 and reads the same forward as well as backwards

Circle the tens digit in each number 31, 94, 17,

345mi + 3hr + 15 mph the slowest car traveled