on a nice day there are 90% of children playing outside during recess. if there are 150 children how many of them are playing ou
1 answer:
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Answer:
a. $27
b. $9
Step-by-step explanation:
The yearly premium on their homeowner's insurance policy is $450 for the coverage they need.
Their insurance company offers a discount of 6 percent if they install dead-bolt locks on all exterior doors.The couple can also receive a discount of 2 percent if they install smoke detectors on each floor.
a. What discount will Dave and Ellen receive if they install the dead-bolt locks?
dollars
b. What discount will Dave and Ellen receive if they install smoke detectors?
dollars
You wouldn't add 1, but multiply. First multiply all factors with the same base. When you do that, their exponents get added:
Notice how . The factor with zero exponent contributes nothing new to the product, so the effect is the same as multiply
by 1. In general,
for any non-zero number
.