Question

If changed in scientific form, what will be the value of 0.0034 and 0.00563?
please try to answer asap!​

Answer 1

Explanation:

There are x number of boys and there are x+30 girls

Added together they will add up to 150

x+x+30=150 or 2x+30=150

2x=150–30 or 2x=120 and x = 60

There are 60 boys and 60 + 30 girls for 90 girls.

Quick check 90 is 30 more than 60 and 90 + 60 = 150