21,335 views
0 votes
0 votes
James had a peach that was 98 \text{ mm}98 mm98, start text, space, m, m, end text in diameter. One day he watered it with a magical solution, and it grew to 188{,}869 \text{ mm}188,869 mm188, comma, 869, start text, space, m, m, end text in diameter.

Approximately how many times as large did the diameter of the peach become after James watered it?
Choose 1 answer:
Choose 1 answer:

(Choice A)
A
2 \cdot10^32⋅10
3
2, dot, 10, cubed

(Choice B)
B
9 \cdot10^39⋅10
3
9, dot, 10, cubed

(Choice C)
C
2 \cdot10^42⋅10
4
2, dot, 10, start superscript, 4, end superscript

(Choice D)
D
9 \cdot10^49⋅10
4
9, dot, 10, start superscript, 4, end superscript

User Mnn
by
2.6k points

2 Answers

18 votes
18 votes

Answer:

The answer is A.

User Vikas Ghodke
by
2.8k points
16 votes
16 votes

9514 1404 393

Answer:

A. 2×10³

Explanation:

The ratio of diameters is ...

(189,869 mm)/(98 mm) ≈ 1927.3 ≈ 2000 = 2×10³

The diameter of the peach became about 2×10³ times as large.

User Birol
by
2.6k points