How many times greater is 8.1 x 10^9 than 9 x 10^6. a.9 b.90 c.900 d.9000
2 answers:
The answer is d because if u multiple it u will get 9000
Answer:900
Step-by-step explanation:
8.1x10^9/9x10^6
step 1: make it turn into 81x10^8/9x10^6
step2: divide top and bottom by 10^6
81x10^2/9
step 3: divide top and bottom by 9
9x10^2 = 900
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Answer:
17.83
Step-by-step explanation:
d = r*t
d = 41 miles
t = 2.3 hours
r = ??
d = rt Substitute
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The answer to this problem is 4
Answer:A
Step-by-step explanation:
-8=a(2+5)^2 + 41
-8=a x 7^2 + 41
-8=a x 7 x 7 +41
-8=49a+41
Collect like terms
-8-41=49a
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Divide both sides by 49
-49/49=49a/49
-1=a
a=-1
