The larger one should be 29*1016. Round 1016 down to 1000.
You get 29000 when you do that.
6 * 1020 is roundable to 6*1000 which is 6000
If you round 29000 to 30000 then 29*1016 should be 5 times larger than 6 * 1020
Check it out.
29 * 1016 = 29464
6 * 1020 = 6120
When you divide the smaller into the larger, you get 4.18 which is in the same ball park as 5.
Estimating is a skill you need when you are shopping and when you are writing tests. If you need to know if 4.18 is a good answer when a rounded answer is 5, you know you've done the work properly.
Rounding should permit you to get an answer in your head.
Answer:
D
Step-by-step explanation:
First, we isolate the -4y and make the equation "4y=3x-16." Now we divide the equation by 4 to get "y=3/4(x)-4". The y-intercept in this case is -4. The only equation given that has a y-intercept of -4 is answer D.
The answer is 7/8 so you would round it to 1.
