Raquel works in a pet store every day after school and sometimes on weekends. She earns $5.20 per hour. If Raquel works 21 hours a week, use front-end estimation to find out how much she will earn in four weeks.
2 answers:
Answer:
B
Step-by-step explanation:
$5.20 is about $5.00, 21 is about 20, so $5.00 * 20 *4 = $400.
Checking this: $5.20 * 21 * 4 = $436.80
21 hours Times 4 weeks = 84*5.20=436.8 and then if you estimate each 400 answer is B
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3.124 * 10^-4
since your decimal is coming forward you need the exponent to be negative
That means she need to buy 2 packs of 100.
Answer:
G
Step-by-step explanation:
I say G because when you look at the bar, the maximum is 100% and G is 20 in total. Therefore, the maximums are the same types and both can be divided by 10.
Divide both sides by 2 to get x>3
Answer:
10w2+9w-2
10*w*2+(9*w)-2
10*3*2+(9*3)-2
60+27-2
=85
Step-by-step explanation:
