All categories

3 years ago

A dinosaur fossil is 93,550,000 years old. How can you express this age in scientific notation

Mathematics

2 answers:

garik1379 [7]3 years ago

5 0

1. 9.355 × $10^{7}$ can be used to express the age of the dinosaur fossil.

Step-by-step explanation:

Step 1; To determine which value is the closest to 93,550,000 we must calculate how much the 4 options equal. If there are decimals in the number, they are moved from the decimal part of the number to the integer part with every power of 10 i.e. 2.4 × 10 = 24, 2.44 × 10² = 244.

Step 2; Now we determine how much the 4 options equal.

1. 9.355 × $10^{7}$ = 93,550,000.

2. 9 × $10^{7}$ = 90,000,000.

3. 9.36 × $10^{7}$ = 93,600,000.

4. 9.3 × $10^{7}$ = 93,000,000.

Out of the four options, option 1 equals the value of 93,550,000. So option 1 can be used to express the age with the highest precision.

pickupchik [31]3 years ago

5 0

Answer:

Step-by-step explanation:

Because poop is always purple

You might be interested in

1. An alligator's tail length, T, varies directly as its body length, B. An alligator with a body length of 7 feet has a tail le

Andrei [34K]

Uruririririjr jerjrjrjjejr rjjejeje

5 0

2 years ago

Which are solutions of the equation 4x2 – 7x = 3x + 24? Check all that apply. x = –4 x = –3 x = -3/2 x = 2/3 x = 2 x = 4

Ivahew [28]

4x2 - 7x = 3x + 24
First we rewrite the quadratic equation:
4x2 - 7x - 3x - 24 = 0
4x2 - 10x - 24 = 0
The solutions to the quadratic equation in this case are:
x1 = 4
x2 = -1.5
Answer:
x = -3/2
x = 4

9 0

2 years ago

Read 2 more answers

You earn $250 per month from your part-time job. You are in a kayaking club that costs $20 per month, and you save at least $100

Olegator [25]

Answer:

Amounts in the intervall $130 \leq c \leq 230$

Step-by-step explanation:

We will take the variables c and s, where

c = amount to spend that month

s = savings of the month.

Since each month we save at least 100, we know that

$0 \leq s \leq 100$

Moreover, we earn $250 per month and we spend $20 in a kayaking club, which tells us that

$250=20+s+c$

and so

$230-s=c$

By multiplying by -1, the first inequality also tells us that

$-100 \leq -s \leq 0$

Consequently by adding 230 to the inequality, we get that

$230-100 \leq 230-s \leq 230\\\\\Rightarrow 130\leq c \leq 230$

5 0

2 years ago

May you solve this for me?

shusha [124]

Answer: 23.94 cm

Step-by-step explanation: I am totally not sure if this is the answer, but think of it this way: Those are 2 semi circles. The formula for the area of a semi circle is A = π * r^2 / 2. For the semi circle with 6 cm, the radius is 3. So we can plug it in the formula. 3.14 * 3^2 / 2, which is 14.13. For the semi circle with 5 cm, the radius is 2.5. Again plug it in and it will be 3.14 * 2.5^2 / 2, which is 9.8125. Then, to get the total area, add the 2 final values together. 9.8125 + 14.13, which is 23.9425. Then it said "round to the nearest hundredth if necessary. We can round to the nearest hundredth, which is 23.94, so that would be the answer. That is just my thought process.

I am not really sure if it's the answer, but take a gander at my thought process and hopefully, you can agree with me.

6 0

2 years ago

Factor 3/4 out of 3/4z+6.

Bingel [31]

Answer:

Step-by-step explanation:

5 0

2 years ago